Home / 1,373,135.76-1,895,123.52-761,424.57

Finding the Fourth Proportional to 1,373,135.76, 1,895,123.52 and 761,424.57

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Solution

The fourth proportional to 1,373,135.76, 1,895,123.52 and 761,424.57 is: 1,050,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,135.76 : 1,895,123.52 = 761,424.57 : x
  2. Step 2: Convert to fraction form
    1,373,135.76/1,895,123.52 = 761,424.57/x
  3. Step 3: Cross multiply
    1,373,135.76x = 1,895,123.52 × 761,424.57
  4. Step 4: Simplify right side
    1,373,135.76x = 1,442,993,611,312.89
  5. Step 5: Solve for x
    x = 1,442,993,611,312.89/1,373,135.76
  6. Step 6: Final answer
    x = 1,050,874.69

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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.