Home / 1,421,217.95-1,961,480.80-904,806.89

Finding the Fourth Proportional to 1,421,217.95, 1,961,480.80 and 904,806.89

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Solution

The fourth proportional to 1,421,217.95, 1,961,480.80 and 904,806.89 is: 1,248,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,217.95 : 1,961,480.80 = 904,806.89 : x
  2. Step 2: Convert to fraction form
    1,421,217.95/1,961,480.80 = 904,806.89/x
  3. Step 3: Cross multiply
    1,421,217.95x = 1,961,480.80 × 904,806.89
  4. Step 4: Simplify right side
    1,421,217.95x = 1,774,761,332,635.31
  5. Step 5: Solve for x
    x = 1,774,761,332,635.31/1,421,217.95
  6. Step 6: Final answer
    x = 1,248,760.85

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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.