Home / 1,443,108.66-2,164,054.02-432,374.34

Finding the Fourth Proportional to 1,443,108.66, 2,164,054.02 and 432,374.34

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Solution

The fourth proportional to 1,443,108.66, 2,164,054.02 and 432,374.34 is: 648,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,108.66 : 2,164,054.02 = 432,374.34 : x
  2. Step 2: Convert to fraction form
    1,443,108.66/2,164,054.02 = 432,374.34/x
  3. Step 3: Cross multiply
    1,443,108.66x = 2,164,054.02 × 432,374.34
  4. Step 4: Simplify right side
    1,443,108.66x = 935,681,428,621.85
  5. Step 5: Solve for x
    x = 935,681,428,621.85/1,443,108.66
  6. Step 6: Final answer
    x = 648,379.05

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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.