Home / 1,759,489.16-2,639,387.57-497,316.78

Finding the Fourth Proportional to 1,759,489.16, 2,639,387.57 and 497,316.78

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Solution

The fourth proportional to 1,759,489.16, 2,639,387.57 and 497,316.78 is: 746,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,489.16 : 2,639,387.57 = 497,316.78 : x
  2. Step 2: Convert to fraction form
    1,759,489.16/2,639,387.57 = 497,316.78/x
  3. Step 3: Cross multiply
    1,759,489.16x = 2,639,387.57 × 497,316.78
  4. Step 4: Simplify right side
    1,759,489.16x = 1,312,611,724,997.84
  5. Step 5: Solve for x
    x = 1,312,611,724,997.84/1,759,489.16
  6. Step 6: Final answer
    x = 746,018.65

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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.