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Finding the Fourth Proportional to 1,373,345.82, 1,895,014.44 and 761,503.04

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Solution

The fourth proportional to 1,373,345.82, 1,895,014.44 and 761,503.04 is: 1,050,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,345.82 : 1,895,014.44 = 761,503.04 : x
  2. Step 2: Convert to fraction form
    1,373,345.82/1,895,014.44 = 761,503.04/x
  3. Step 3: Cross multiply
    1,373,345.82x = 1,895,014.44 × 761,503.04
  4. Step 4: Simplify right side
    1,373,345.82x = 1,443,059,247,428.83
  5. Step 5: Solve for x
    x = 1,443,059,247,428.83/1,373,345.82
  6. Step 6: Final answer
    x = 1,050,761.74

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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.