Home / 1,502,503.76-2,072,803.56-993,915.92

Finding the Fourth Proportional to 1,502,503.76, 2,072,803.56 and 993,915.92

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Solution

The fourth proportional to 1,502,503.76, 2,072,803.56 and 993,915.92 is: 1,371,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,503.76 : 2,072,803.56 = 993,915.92 : x
  2. Step 2: Convert to fraction form
    1,502,503.76/2,072,803.56 = 993,915.92/x
  3. Step 3: Cross multiply
    1,502,503.76x = 2,072,803.56 × 993,915.92
  4. Step 4: Simplify right side
    1,502,503.76x = 2,060,192,457,316.68
  5. Step 5: Solve for x
    x = 2,060,192,457,316.68/1,502,503.76
  6. Step 6: Final answer
    x = 1,371,172.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.