Home / 1,039,563.78-1,558,434.61-499,551.10

Finding the Fourth Proportional to 1,039,563.78, 1,558,434.61 and 499,551.10

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Solution

The fourth proportional to 1,039,563.78, 1,558,434.61 and 499,551.10 is: 748,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,563.78 : 1,558,434.61 = 499,551.10 : x
  2. Step 2: Convert to fraction form
    1,039,563.78/1,558,434.61 = 499,551.10/x
  3. Step 3: Cross multiply
    1,039,563.78x = 1,558,434.61 × 499,551.10
  4. Step 4: Simplify right side
    1,039,563.78x = 778,517,723,703.57
  5. Step 5: Solve for x
    x = 778,517,723,703.57/1,039,563.78
  6. Step 6: Final answer
    x = 748,888.85

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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.