Home / 921,618.32-1,270,779.70-749,064.04

Finding the Fourth Proportional to 921,618.32, 1,270,779.70 and 749,064.04

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Solution

The fourth proportional to 921,618.32, 1,270,779.70 and 749,064.04 is: 1,032,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,618.32 : 1,270,779.70 = 749,064.04 : x
  2. Step 2: Convert to fraction form
    921,618.32/1,270,779.70 = 749,064.04/x
  3. Step 3: Cross multiply
    921,618.32x = 1,270,779.70 × 749,064.04
  4. Step 4: Simplify right side
    921,618.32x = 951,895,376,031.99
  5. Step 5: Solve for x
    x = 951,895,376,031.99/921,618.32
  6. Step 6: Final answer
    x = 1,032,852.06

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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.