Home / 1,472,639.83-2,208,997.32-407,691.07

Finding the Fourth Proportional to 1,472,639.83, 2,208,997.32 and 407,691.07

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Solution

The fourth proportional to 1,472,639.83, 2,208,997.32 and 407,691.07 is: 611,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,639.83 : 2,208,997.32 = 407,691.07 : x
  2. Step 2: Convert to fraction form
    1,472,639.83/2,208,997.32 = 407,691.07/x
  3. Step 3: Cross multiply
    1,472,639.83x = 2,208,997.32 × 407,691.07
  4. Step 4: Simplify right side
    1,472,639.83x = 900,588,481,017.93
  5. Step 5: Solve for x
    x = 900,588,481,017.93/1,472,639.83
  6. Step 6: Final answer
    x = 611,547.01

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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.