Home / 1,039,687.91-1,558,864.47-432,896.55

Finding the Fourth Proportional to 1,039,687.91, 1,558,864.47 and 432,896.55

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Solution

The fourth proportional to 1,039,687.91, 1,558,864.47 and 432,896.55 is: 649,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,687.91 : 1,558,864.47 = 432,896.55 : x
  2. Step 2: Convert to fraction form
    1,039,687.91/1,558,864.47 = 432,896.55/x
  3. Step 3: Cross multiply
    1,039,687.91x = 1,558,864.47 × 432,896.55
  4. Step 4: Simplify right side
    1,039,687.91x = 674,827,050,980.58
  5. Step 5: Solve for x
    x = 674,827,050,980.58/1,039,687.91
  6. Step 6: Final answer
    x = 649,066.94

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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.