Home / 1,180,531.80-1,768,173.30-913,426.20

Finding the Fourth Proportional to 1,180,531.80, 1,768,173.30 and 913,426.20

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Solution

The fourth proportional to 1,180,531.80, 1,768,173.30 and 913,426.20 is: 1,368,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,531.80 : 1,768,173.30 = 913,426.20 : x
  2. Step 2: Convert to fraction form
    1,180,531.80/1,768,173.30 = 913,426.20/x
  3. Step 3: Cross multiply
    1,180,531.80x = 1,768,173.30 × 913,426.20
  4. Step 4: Simplify right side
    1,180,531.80x = 1,615,095,818,360.46
  5. Step 5: Solve for x
    x = 1,615,095,818,360.46/1,180,531.80
  6. Step 6: Final answer
    x = 1,368,108.69

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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.