Home / 1,577,629.40-2,366,444.10-980,432.60

Finding the Fourth Proportional to 1,577,629.40, 2,366,444.10 and 980,432.60

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Solution

The fourth proportional to 1,577,629.40, 2,366,444.10 and 980,432.60 is: 1,470,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,629.40 : 2,366,444.10 = 980,432.60 : x
  2. Step 2: Convert to fraction form
    1,577,629.40/2,366,444.10 = 980,432.60/x
  3. Step 3: Cross multiply
    1,577,629.40x = 2,366,444.10 × 980,432.60
  4. Step 4: Simplify right side
    1,577,629.40x = 2,320,138,941,717.66
  5. Step 5: Solve for x
    x = 2,320,138,941,717.66/1,577,629.40
  6. Step 6: Final answer
    x = 1,470,648.90

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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.