Home / 1,276,346.32-1,761,394.83-703,423.40

Finding the Fourth Proportional to 1,276,346.32, 1,761,394.83 and 703,423.40

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Solution

The fourth proportional to 1,276,346.32, 1,761,394.83 and 703,423.40 is: 970,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,346.32 : 1,761,394.83 = 703,423.40 : x
  2. Step 2: Convert to fraction form
    1,276,346.32/1,761,394.83 = 703,423.40/x
  3. Step 3: Cross multiply
    1,276,346.32x = 1,761,394.83 × 703,423.40
  4. Step 4: Simplify right side
    1,276,346.32x = 1,239,006,340,061.02
  5. Step 5: Solve for x
    x = 1,239,006,340,061.02/1,276,346.32
  6. Step 6: Final answer
    x = 970,744.63

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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.