Home / 1,108,615.60-1,663,360.80-434,582.20

Finding the Fourth Proportional to 1,108,615.60, 1,663,360.80 and 434,582.20

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Solution

The fourth proportional to 1,108,615.60, 1,663,360.80 and 434,582.20 is: 652,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,615.60 : 1,663,360.80 = 434,582.20 : x
  2. Step 2: Convert to fraction form
    1,108,615.60/1,663,360.80 = 434,582.20/x
  3. Step 3: Cross multiply
    1,108,615.60x = 1,663,360.80 × 434,582.20
  4. Step 4: Simplify right side
    1,108,615.60x = 722,866,995,857.76
  5. Step 5: Solve for x
    x = 722,866,995,857.76/1,108,615.60
  6. Step 6: Final answer
    x = 652,044.76

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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.