Home / 1,108,938.87-1,530,044.80-649,806.93

Finding the Fourth Proportional to 1,108,938.87, 1,530,044.80 and 649,806.93

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Solution

The fourth proportional to 1,108,938.87, 1,530,044.80 and 649,806.93 is: 896,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,938.87 : 1,530,044.80 = 649,806.93 : x
  2. Step 2: Convert to fraction form
    1,108,938.87/1,530,044.80 = 649,806.93/x
  3. Step 3: Cross multiply
    1,108,938.87x = 1,530,044.80 × 649,806.93
  4. Step 4: Simplify right side
    1,108,938.87x = 994,233,712,625.95
  5. Step 5: Solve for x
    x = 994,233,712,625.95/1,108,938.87
  6. Step 6: Final answer
    x = 896,563.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.