Home / 1,369,572.49-1,889,940.88-749,364.24

Finding the Fourth Proportional to 1,369,572.49, 1,889,940.88 and 749,364.24

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Solution

The fourth proportional to 1,369,572.49, 1,889,940.88 and 749,364.24 is: 1,034,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,572.49 : 1,889,940.88 = 749,364.24 : x
  2. Step 2: Convert to fraction form
    1,369,572.49/1,889,940.88 = 749,364.24/x
  3. Step 3: Cross multiply
    1,369,572.49x = 1,889,940.88 × 749,364.24
  4. Step 4: Simplify right side
    1,369,572.49x = 1,416,254,097,989.61
  5. Step 5: Solve for x
    x = 1,416,254,097,989.61/1,369,572.49
  6. Step 6: Final answer
    x = 1,034,084.80

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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.