Home / 1,373,102.07-1,894,940.76-761,215.92

Finding the Fourth Proportional to 1,373,102.07, 1,894,940.76 and 761,215.92

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Solution

The fourth proportional to 1,373,102.07, 1,894,940.76 and 761,215.92 is: 1,050,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,102.07 : 1,894,940.76 = 761,215.92 : x
  2. Step 2: Convert to fraction form
    1,373,102.07/1,894,940.76 = 761,215.92/x
  3. Step 3: Cross multiply
    1,373,102.07x = 1,894,940.76 × 761,215.92
  4. Step 4: Simplify right side
    1,373,102.07x = 1,442,459,073,968.90
  5. Step 5: Solve for x
    x = 1,442,459,073,968.90/1,373,102.07
  6. Step 6: Final answer
    x = 1,050,511.18

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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.