Home / 1,276,369.96-1,761,402.18-703,430.92

Finding the Fourth Proportional to 1,276,369.96, 1,761,402.18 and 703,430.92

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Solution

The fourth proportional to 1,276,369.96, 1,761,402.18 and 703,430.92 is: 970,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,369.96 : 1,761,402.18 = 703,430.92 : x
  2. Step 2: Convert to fraction form
    1,276,369.96/1,761,402.18 = 703,430.92/x
  3. Step 3: Cross multiply
    1,276,369.96x = 1,761,402.18 × 703,430.92
  4. Step 4: Simplify right side
    1,276,369.96x = 1,239,024,755,967.41
  5. Step 5: Solve for x
    x = 1,239,024,755,967.41/1,276,369.96
  6. Step 6: Final answer
    x = 970,741.08

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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.