Home / 746,578.13-1,118,123.40-686,292.79

Finding the Fourth Proportional to 746,578.13, 1,118,123.40 and 686,292.79

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Solution

The fourth proportional to 746,578.13, 1,118,123.40 and 686,292.79 is: 1,027,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,578.13 : 1,118,123.40 = 686,292.79 : x
  2. Step 2: Convert to fraction form
    746,578.13/1,118,123.40 = 686,292.79/x
  3. Step 3: Cross multiply
    746,578.13x = 1,118,123.40 × 686,292.79
  4. Step 4: Simplify right side
    746,578.13x = 767,360,024,674.83
  5. Step 5: Solve for x
    x = 767,360,024,674.83/746,578.13
  6. Step 6: Final answer
    x = 1,027,836.20

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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.