Home / 1,254,647.68-1,731,218.88-745,336.96

Finding the Fourth Proportional to 1,254,647.68, 1,731,218.88 and 745,336.96

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Solution

The fourth proportional to 1,254,647.68, 1,731,218.88 and 745,336.96 is: 1,028,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,647.68 : 1,731,218.88 = 745,336.96 : x
  2. Step 2: Convert to fraction form
    1,254,647.68/1,731,218.88 = 745,336.96/x
  3. Step 3: Cross multiply
    1,254,647.68x = 1,731,218.88 × 745,336.96
  4. Step 4: Simplify right side
    1,254,647.68x = 1,290,341,417,113.80
  5. Step 5: Solve for x
    x = 1,290,341,417,113.80/1,254,647.68
  6. Step 6: Final answer
    x = 1,028,449.21

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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.