Home / 1,123,877.40-1,685,816.10-787,298.10

Finding the Fourth Proportional to 1,123,877.40, 1,685,816.10 and 787,298.10

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Solution

The fourth proportional to 1,123,877.40, 1,685,816.10 and 787,298.10 is: 1,180,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,877.40 : 1,685,816.10 = 787,298.10 : x
  2. Step 2: Convert to fraction form
    1,123,877.40/1,685,816.10 = 787,298.10/x
  3. Step 3: Cross multiply
    1,123,877.40x = 1,685,816.10 × 787,298.10
  4. Step 4: Simplify right side
    1,123,877.40x = 1,327,239,812,479.41
  5. Step 5: Solve for x
    x = 1,327,239,812,479.41/1,123,877.40
  6. Step 6: Final answer
    x = 1,180,947.15

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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.