Home / 1,123,626.40-1,550,740.56-633,689.20

Finding the Fourth Proportional to 1,123,626.40, 1,550,740.56 and 633,689.20

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Solution

The fourth proportional to 1,123,626.40, 1,550,740.56 and 633,689.20 is: 874,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,626.40 : 1,550,740.56 = 633,689.20 : x
  2. Step 2: Convert to fraction form
    1,123,626.40/1,550,740.56 = 633,689.20/x
  3. Step 3: Cross multiply
    1,123,626.40x = 1,550,740.56 × 633,689.20
  4. Step 4: Simplify right side
    1,123,626.40x = 982,687,544,873.95
  5. Step 5: Solve for x
    x = 982,687,544,873.95/1,123,626.40
  6. Step 6: Final answer
    x = 874,567.87

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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.