Home / 1,170,017.20-1,642,748-1,170,017.20

Finding the Fourth Proportional to 1,170,017.20, 1,642,748 and 1,170,017.20

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Solution

The fourth proportional to 1,170,017.20, 1,642,748 and 1,170,017.20 is: 1,642,748

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,017.20 : 1,642,748 = 1,170,017.20 : x
  2. Step 2: Convert to fraction form
    1,170,017.20/1,642,748 = 1,170,017.20/x
  3. Step 3: Cross multiply
    1,170,017.20x = 1,642,748 × 1,170,017.20
  4. Step 4: Simplify right side
    1,170,017.20x = 1,922,043,415,265.60
  5. Step 5: Solve for x
    x = 1,922,043,415,265.60/1,170,017.20
  6. Step 6: Final answer
    x = 1,642,748

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.