Home / 1,371,207.48-1,892,041.32-861,549

Finding the Fourth Proportional to 1,371,207.48, 1,892,041.32 and 861,549

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Solution

The fourth proportional to 1,371,207.48, 1,892,041.32 and 861,549 is: 1,188,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,207.48 : 1,892,041.32 = 861,549 : x
  2. Step 2: Convert to fraction form
    1,371,207.48/1,892,041.32 = 861,549/x
  3. Step 3: Cross multiply
    1,371,207.48x = 1,892,041.32 × 861,549
  4. Step 4: Simplify right side
    1,371,207.48x = 1,630,086,307,204.68
  5. Step 5: Solve for x
    x = 1,630,086,307,204.68/1,371,207.48
  6. Step 6: Final answer
    x = 1,188,796.25

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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.