Home / 977,963.70-1,466,945.55-660,702.90

Finding the Fourth Proportional to 977,963.70, 1,466,945.55 and 660,702.90

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Solution

The fourth proportional to 977,963.70, 1,466,945.55 and 660,702.90 is: 991,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,963.70 : 1,466,945.55 = 660,702.90 : x
  2. Step 2: Convert to fraction form
    977,963.70/1,466,945.55 = 660,702.90/x
  3. Step 3: Cross multiply
    977,963.70x = 1,466,945.55 × 660,702.90
  4. Step 4: Simplify right side
    977,963.70x = 969,215,179,027.10
  5. Step 5: Solve for x
    x = 969,215,179,027.10/977,963.70
  6. Step 6: Final answer
    x = 991,054.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.