Home / 1,005,493.40-1,507,390.32-436,444.10

Finding the Fourth Proportional to 1,005,493.40, 1,507,390.32 and 436,444.10

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Solution

The fourth proportional to 1,005,493.40, 1,507,390.32 and 436,444.10 is: 654,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,493.40 : 1,507,390.32 = 436,444.10 : x
  2. Step 2: Convert to fraction form
    1,005,493.40/1,507,390.32 = 436,444.10/x
  3. Step 3: Cross multiply
    1,005,493.40x = 1,507,390.32 × 436,444.10
  4. Step 4: Simplify right side
    1,005,493.40x = 657,891,611,561.11
  5. Step 5: Solve for x
    x = 657,891,611,561.11/1,005,493.40
  6. Step 6: Final answer
    x = 654,297.29

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Double scale
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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.