Home / 1,315,535.76-1,815,445.16-711,923.92

Finding the Fourth Proportional to 1,315,535.76, 1,815,445.16 and 711,923.92

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Solution

The fourth proportional to 1,315,535.76, 1,815,445.16 and 711,923.92 is: 982,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,535.76 : 1,815,445.16 = 711,923.92 : x
  2. Step 2: Convert to fraction form
    1,315,535.76/1,815,445.16 = 711,923.92/x
  3. Step 3: Cross multiply
    1,315,535.76x = 1,815,445.16 × 711,923.92
  4. Step 4: Simplify right side
    1,315,535.76x = 1,292,458,834,852.23
  5. Step 5: Solve for x
    x = 1,292,458,834,852.23/1,315,535.76
  6. Step 6: Final answer
    x = 982,458.15

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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.