Home / 1,098,790.50-1,655,672.97-903,486

Finding the Fourth Proportional to 1,098,790.50, 1,655,672.97 and 903,486

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Solution

The fourth proportional to 1,098,790.50, 1,655,672.97 and 903,486 is: 1,361,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,790.50 : 1,655,672.97 = 903,486 : x
  2. Step 2: Convert to fraction form
    1,098,790.50/1,655,672.97 = 903,486/x
  3. Step 3: Cross multiply
    1,098,790.50x = 1,655,672.97 × 903,486
  4. Step 4: Simplify right side
    1,098,790.50x = 1,495,877,348,973.42
  5. Step 5: Solve for x
    x = 1,495,877,348,973.42/1,098,790.50
  6. Step 6: Final answer
    x = 1,361,385.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.