Home / 1,038,702.93-1,558,256.36-398,959.64

Finding the Fourth Proportional to 1,038,702.93, 1,558,256.36 and 398,959.64

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Solution

The fourth proportional to 1,038,702.93, 1,558,256.36 and 398,959.64 is: 598,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,702.93 : 1,558,256.36 = 398,959.64 : x
  2. Step 2: Convert to fraction form
    1,038,702.93/1,558,256.36 = 398,959.64/x
  3. Step 3: Cross multiply
    1,038,702.93x = 1,558,256.36 × 398,959.64
  4. Step 4: Simplify right side
    1,038,702.93x = 621,681,386,627.23
  5. Step 5: Solve for x
    x = 621,681,386,627.23/1,038,702.93
  6. Step 6: Final answer
    x = 598,517.02

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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.