Home / 1,028,281.80-1,544,265.90-748,115.40

Finding the Fourth Proportional to 1,028,281.80, 1,544,265.90 and 748,115.40

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Solution

The fourth proportional to 1,028,281.80, 1,544,265.90 and 748,115.40 is: 1,123,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,281.80 : 1,544,265.90 = 748,115.40 : x
  2. Step 2: Convert to fraction form
    1,028,281.80/1,544,265.90 = 748,115.40/x
  3. Step 3: Cross multiply
    1,028,281.80x = 1,544,265.90 × 748,115.40
  4. Step 4: Simplify right side
    1,028,281.80x = 1,155,289,101,484.86
  5. Step 5: Solve for x
    x = 1,155,289,101,484.86/1,028,281.80
  6. Step 6: Final answer
    x = 1,123,514.10

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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.