Home / 1,129,255.10-1,693,883.74-929,154.86

Finding the Fourth Proportional to 1,129,255.10, 1,693,883.74 and 929,154.86

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Solution

The fourth proportional to 1,129,255.10, 1,693,883.74 and 929,154.86 is: 1,393,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,255.10 : 1,693,883.74 = 929,154.86 : x
  2. Step 2: Convert to fraction form
    1,129,255.10/1,693,883.74 = 929,154.86/x
  3. Step 3: Cross multiply
    1,129,255.10x = 1,693,883.74 × 929,154.86
  4. Step 4: Simplify right side
    1,129,255.10x = 1,573,880,299,220.60
  5. Step 5: Solve for x
    x = 1,573,880,299,220.60/1,129,255.10
  6. Step 6: Final answer
    x = 1,393,733.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.