Home / 1,101,361.04-1,652,041.56-391,417.10

Finding the Fourth Proportional to 1,101,361.04, 1,652,041.56 and 391,417.10

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Solution

The fourth proportional to 1,101,361.04, 1,652,041.56 and 391,417.10 is: 587,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,361.04 : 1,652,041.56 = 391,417.10 : x
  2. Step 2: Convert to fraction form
    1,101,361.04/1,652,041.56 = 391,417.10/x
  3. Step 3: Cross multiply
    1,101,361.04x = 1,652,041.56 × 391,417.10
  4. Step 4: Simplify right side
    1,101,361.04x = 646,637,308,234.47
  5. Step 5: Solve for x
    x = 646,637,308,234.47/1,101,361.04
  6. Step 6: Final answer
    x = 587,125.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.