Home / 1,013,721.89-1,518,011.28-608,663.97

Finding the Fourth Proportional to 1,013,721.89, 1,518,011.28 and 608,663.97

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Solution

The fourth proportional to 1,013,721.89, 1,518,011.28 and 608,663.97 is: 911,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,721.89 : 1,518,011.28 = 608,663.97 : x
  2. Step 2: Convert to fraction form
    1,013,721.89/1,518,011.28 = 608,663.97/x
  3. Step 3: Cross multiply
    1,013,721.89x = 1,518,011.28 × 608,663.97
  4. Step 4: Simplify right side
    1,013,721.89x = 923,958,772,189.58
  5. Step 5: Solve for x
    x = 923,958,772,189.58/1,013,721.89
  6. Step 6: Final answer
    x = 911,451.93

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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.