Home / 1,539,313.92-2,124,347.52-860,304.64

Finding the Fourth Proportional to 1,539,313.92, 2,124,347.52 and 860,304.64

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Solution

The fourth proportional to 1,539,313.92, 2,124,347.52 and 860,304.64 is: 1,187,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,313.92 : 2,124,347.52 = 860,304.64 : x
  2. Step 2: Convert to fraction form
    1,539,313.92/2,124,347.52 = 860,304.64/x
  3. Step 3: Cross multiply
    1,539,313.92x = 2,124,347.52 × 860,304.64
  4. Step 4: Simplify right side
    1,539,313.92x = 1,827,586,028,428.49
  5. Step 5: Solve for x
    x = 1,827,586,028,428.49/1,539,313.92
  6. Step 6: Final answer
    x = 1,187,273.11

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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.