Home / 1,425,117.42-1,966,663.92-771,744.54

Finding the Fourth Proportional to 1,425,117.42, 1,966,663.92 and 771,744.54

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Solution

The fourth proportional to 1,425,117.42, 1,966,663.92 and 771,744.54 is: 1,065,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,117.42 : 1,966,663.92 = 771,744.54 : x
  2. Step 2: Convert to fraction form
    1,425,117.42/1,966,663.92 = 771,744.54/x
  3. Step 3: Cross multiply
    1,425,117.42x = 1,966,663.92 × 771,744.54
  4. Step 4: Simplify right side
    1,425,117.42x = 1,517,762,142,275.00
  5. Step 5: Solve for x
    x = 1,517,762,142,275.00/1,425,117.42
  6. Step 6: Final answer
    x = 1,065,008.48

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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.