Home / 1,372,864.95-2,059,275.56-426,236.58

Finding the Fourth Proportional to 1,372,864.95, 2,059,275.56 and 426,236.58

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Solution

The fourth proportional to 1,372,864.95, 2,059,275.56 and 426,236.58 is: 639,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,864.95 : 2,059,275.56 = 426,236.58 : x
  2. Step 2: Convert to fraction form
    1,372,864.95/2,059,275.56 = 426,236.58/x
  3. Step 3: Cross multiply
    1,372,864.95x = 2,059,275.56 × 426,236.58
  4. Step 4: Simplify right side
    1,372,864.95x = 877,738,569,840.80
  5. Step 5: Solve for x
    x = 877,738,569,840.80/1,372,864.95
  6. Step 6: Final answer
    x = 639,348.08

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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.