Home / 781,702.40-1,175,145.60-679,059.20

Finding the Fourth Proportional to 781,702.40, 1,175,145.60 and 679,059.20

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Solution

The fourth proportional to 781,702.40, 1,175,145.60 and 679,059.20 is: 1,020,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,702.40 : 1,175,145.60 = 679,059.20 : x
  2. Step 2: Convert to fraction form
    781,702.40/1,175,145.60 = 679,059.20/x
  3. Step 3: Cross multiply
    781,702.40x = 1,175,145.60 × 679,059.20
  4. Step 4: Simplify right side
    781,702.40x = 797,993,431,019.52
  5. Step 5: Solve for x
    x = 797,993,431,019.52/781,702.40
  6. Step 6: Final answer
    x = 1,020,840.45

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1.5x scale

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.