Home / 1,059,536.40-1,587,922.20-490,851.60

Finding the Fourth Proportional to 1,059,536.40, 1,587,922.20 and 490,851.60

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Solution

The fourth proportional to 1,059,536.40, 1,587,922.20 and 490,851.60 is: 735,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,536.40 : 1,587,922.20 = 490,851.60 : x
  2. Step 2: Convert to fraction form
    1,059,536.40/1,587,922.20 = 490,851.60/x
  3. Step 3: Cross multiply
    1,059,536.40x = 1,587,922.20 × 490,851.60
  4. Step 4: Simplify right side
    1,059,536.40x = 779,434,152,545.52
  5. Step 5: Solve for x
    x = 779,434,152,545.52/1,059,536.40
  6. Step 6: Final answer
    x = 735,636.98

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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.