Home / 1,225,615.80-1,838,423.70-910,687.80

Finding the Fourth Proportional to 1,225,615.80, 1,838,423.70 and 910,687.80

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Solution

The fourth proportional to 1,225,615.80, 1,838,423.70 and 910,687.80 is: 1,366,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,615.80 : 1,838,423.70 = 910,687.80 : x
  2. Step 2: Convert to fraction form
    1,225,615.80/1,838,423.70 = 910,687.80/x
  3. Step 3: Cross multiply
    1,225,615.80x = 1,838,423.70 × 910,687.80
  4. Step 4: Simplify right side
    1,225,615.80x = 1,674,230,034,820.86
  5. Step 5: Solve for x
    x = 1,674,230,034,820.86/1,225,615.80
  6. Step 6: Final answer
    x = 1,366,031.70

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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.