Home / 1,437,715.09-2,156,203.27-426,597.85

Finding the Fourth Proportional to 1,437,715.09, 2,156,203.27 and 426,597.85

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Solution

The fourth proportional to 1,437,715.09, 2,156,203.27 and 426,597.85 is: 639,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,715.09 : 2,156,203.27 = 426,597.85 : x
  2. Step 2: Convert to fraction form
    1,437,715.09/2,156,203.27 = 426,597.85/x
  3. Step 3: Cross multiply
    1,437,715.09x = 2,156,203.27 × 426,597.85
  4. Step 4: Simplify right side
    1,437,715.09x = 919,831,679,144.97
  5. Step 5: Solve for x
    x = 919,831,679,144.97/1,437,715.09
  6. Step 6: Final answer
    x = 639,787.18

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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.