Home / 1,243,407.04-1,865,110.45-344,848.78

Finding the Fourth Proportional to 1,243,407.04, 1,865,110.45 and 344,848.78

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Solution

The fourth proportional to 1,243,407.04, 1,865,110.45 and 344,848.78 is: 517,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,407.04 : 1,865,110.45 = 344,848.78 : x
  2. Step 2: Convert to fraction form
    1,243,407.04/1,865,110.45 = 344,848.78/x
  3. Step 3: Cross multiply
    1,243,407.04x = 1,865,110.45 × 344,848.78
  4. Step 4: Simplify right side
    1,243,407.04x = 643,181,063,247.75
  5. Step 5: Solve for x
    x = 643,181,063,247.75/1,243,407.04
  6. Step 6: Final answer
    x = 517,273.14

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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.