Home / 917,562.42-1,266,374.10-660,291.03

Finding the Fourth Proportional to 917,562.42, 1,266,374.10 and 660,291.03

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Solution

The fourth proportional to 917,562.42, 1,266,374.10 and 660,291.03 is: 911,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,562.42 : 1,266,374.10 = 660,291.03 : x
  2. Step 2: Convert to fraction form
    917,562.42/1,266,374.10 = 660,291.03/x
  3. Step 3: Cross multiply
    917,562.42x = 1,266,374.10 × 660,291.03
  4. Step 4: Simplify right side
    917,562.42x = 836,175,458,854.32
  5. Step 5: Solve for x
    x = 836,175,458,854.32/917,562.42
  6. Step 6: Final answer
    x = 911,300.90

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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.