Home / 1,001,988.18-1,502,985.31-243,829.78

Finding the Fourth Proportional to 1,001,988.18, 1,502,985.31 and 243,829.78

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Solution

The fourth proportional to 1,001,988.18, 1,502,985.31 and 243,829.78 is: 365,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,988.18 : 1,502,985.31 = 243,829.78 : x
  2. Step 2: Convert to fraction form
    1,001,988.18/1,502,985.31 = 243,829.78/x
  3. Step 3: Cross multiply
    1,001,988.18x = 1,502,985.31 × 243,829.78
  4. Step 4: Simplify right side
    1,001,988.18x = 366,472,573,113.49
  5. Step 5: Solve for x
    x = 366,472,573,113.49/1,001,988.18
  6. Step 6: Final answer
    x = 365,745.41

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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.