Home / 1,166,007.60-1,609,144.92-707,137.20

Finding the Fourth Proportional to 1,166,007.60, 1,609,144.92 and 707,137.20

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Solution

The fourth proportional to 1,166,007.60, 1,609,144.92 and 707,137.20 is: 975,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,007.60 : 1,609,144.92 = 707,137.20 : x
  2. Step 2: Convert to fraction form
    1,166,007.60/1,609,144.92 = 707,137.20/x
  3. Step 3: Cross multiply
    1,166,007.60x = 1,609,144.92 × 707,137.20
  4. Step 4: Simplify right side
    1,166,007.60x = 1,137,886,233,123.02
  5. Step 5: Solve for x
    x = 1,137,886,233,123.02/1,166,007.60
  6. Step 6: Final answer
    x = 975,882.35

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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.