Home / 996,810.90-1,495,216.35-618,897.30

Finding the Fourth Proportional to 996,810.90, 1,495,216.35 and 618,897.30

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Solution

The fourth proportional to 996,810.90, 1,495,216.35 and 618,897.30 is: 928,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,810.90 : 1,495,216.35 = 618,897.30 : x
  2. Step 2: Convert to fraction form
    996,810.90/1,495,216.35 = 618,897.30/x
  3. Step 3: Cross multiply
    996,810.90x = 1,495,216.35 × 618,897.30
  4. Step 4: Simplify right side
    996,810.90x = 925,385,361,930.86
  5. Step 5: Solve for x
    x = 925,385,361,930.86/996,810.90
  6. Step 6: Final answer
    x = 928,345.95

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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.