Home / 1,007,470.38-1,390,254.75-577,768.62

Finding the Fourth Proportional to 1,007,470.38, 1,390,254.75 and 577,768.62

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Solution

The fourth proportional to 1,007,470.38, 1,390,254.75 and 577,768.62 is: 797,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,470.38 : 1,390,254.75 = 577,768.62 : x
  2. Step 2: Convert to fraction form
    1,007,470.38/1,390,254.75 = 577,768.62/x
  3. Step 3: Cross multiply
    1,007,470.38x = 1,390,254.75 × 577,768.62
  4. Step 4: Simplify right side
    1,007,470.38x = 803,245,568,355.95
  5. Step 5: Solve for x
    x = 803,245,568,355.95/1,007,470.38
  6. Step 6: Final answer
    x = 797,289.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.