Home / 1,381,405.76-2,072,440.45-528,463.46

Finding the Fourth Proportional to 1,381,405.76, 2,072,440.45 and 528,463.46

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Solution

The fourth proportional to 1,381,405.76, 2,072,440.45 and 528,463.46 is: 792,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,405.76 : 2,072,440.45 = 528,463.46 : x
  2. Step 2: Convert to fraction form
    1,381,405.76/2,072,440.45 = 528,463.46/x
  3. Step 3: Cross multiply
    1,381,405.76x = 2,072,440.45 × 528,463.46
  4. Step 4: Simplify right side
    1,381,405.76x = 1,095,209,050,850.96
  5. Step 5: Solve for x
    x = 1,095,209,050,850.96/1,381,405.76
  6. Step 6: Final answer
    x = 792,822.13

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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.