Home / 1,565,253.60-2,347,880.40-766,123.80

Finding the Fourth Proportional to 1,565,253.60, 2,347,880.40 and 766,123.80

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Solution

The fourth proportional to 1,565,253.60, 2,347,880.40 and 766,123.80 is: 1,149,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,253.60 : 2,347,880.40 = 766,123.80 : x
  2. Step 2: Convert to fraction form
    1,565,253.60/2,347,880.40 = 766,123.80/x
  3. Step 3: Cross multiply
    1,565,253.60x = 2,347,880.40 × 766,123.80
  4. Step 4: Simplify right side
    1,565,253.60x = 1,798,767,053,993.52
  5. Step 5: Solve for x
    x = 1,798,767,053,993.52/1,565,253.60
  6. Step 6: Final answer
    x = 1,149,185.70

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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.