Home / 996,878.40-1,495,317.60-618,964.80

Finding the Fourth Proportional to 996,878.40, 1,495,317.60 and 618,964.80

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Solution

The fourth proportional to 996,878.40, 1,495,317.60 and 618,964.80 is: 928,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,878.40 : 1,495,317.60 = 618,964.80 : x
  2. Step 2: Convert to fraction form
    996,878.40/1,495,317.60 = 618,964.80/x
  3. Step 3: Cross multiply
    996,878.40x = 1,495,317.60 × 618,964.80
  4. Step 4: Simplify right side
    996,878.40x = 925,548,959,220.48
  5. Step 5: Solve for x
    x = 925,548,959,220.48/996,878.40
  6. Step 6: Final answer
    x = 928,447.20

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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.