Home / 1,403,547.28-1,936,778.28-791,666.32

Finding the Fourth Proportional to 1,403,547.28, 1,936,778.28 and 791,666.32

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Solution

The fourth proportional to 1,403,547.28, 1,936,778.28 and 791,666.32 is: 1,092,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,547.28 : 1,936,778.28 = 791,666.32 : x
  2. Step 2: Convert to fraction form
    1,403,547.28/1,936,778.28 = 791,666.32/x
  3. Step 3: Cross multiply
    1,403,547.28x = 1,936,778.28 × 791,666.32
  4. Step 4: Simplify right side
    1,403,547.28x = 1,533,282,133,583.53
  5. Step 5: Solve for x
    x = 1,533,282,133,583.53/1,403,547.28
  6. Step 6: Final answer
    x = 1,092,433.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.