Home / 1,539,503.49-2,124,478.13-860,503.17

Finding the Fourth Proportional to 1,539,503.49, 2,124,478.13 and 860,503.17

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Solution

The fourth proportional to 1,539,503.49, 2,124,478.13 and 860,503.17 is: 1,187,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,503.49 : 2,124,478.13 = 860,503.17 : x
  2. Step 2: Convert to fraction form
    1,539,503.49/2,124,478.13 = 860,503.17/x
  3. Step 3: Cross multiply
    1,539,503.49x = 2,124,478.13 × 860,503.17
  4. Step 4: Simplify right side
    1,539,503.49x = 1,828,120,161,158.16
  5. Step 5: Solve for x
    x = 1,828,120,161,158.16/1,539,503.49
  6. Step 6: Final answer
    x = 1,187,473.87

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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.