Home / 1,563,001.65-2,157,366.56-918,628.83

Finding the Fourth Proportional to 1,563,001.65, 2,157,366.56 and 918,628.83

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Solution

The fourth proportional to 1,563,001.65, 2,157,366.56 and 918,628.83 is: 1,267,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,001.65 : 2,157,366.56 = 918,628.83 : x
  2. Step 2: Convert to fraction form
    1,563,001.65/2,157,366.56 = 918,628.83/x
  3. Step 3: Cross multiply
    1,563,001.65x = 2,157,366.56 × 918,628.83
  4. Step 4: Simplify right side
    1,563,001.65x = 1,981,819,114,300.78
  5. Step 5: Solve for x
    x = 1,981,819,114,300.78/1,563,001.65
  6. Step 6: Final answer
    x = 1,267,957.15

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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.