Home / 1,377,664.76-1,901,200.28-757,496.12

Finding the Fourth Proportional to 1,377,664.76, 1,901,200.28 and 757,496.12

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Solution

The fourth proportional to 1,377,664.76, 1,901,200.28 and 757,496.12 is: 1,045,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,664.76 : 1,901,200.28 = 757,496.12 : x
  2. Step 2: Convert to fraction form
    1,377,664.76/1,901,200.28 = 757,496.12/x
  3. Step 3: Cross multiply
    1,377,664.76x = 1,901,200.28 × 757,496.12
  4. Step 4: Simplify right side
    1,377,664.76x = 1,440,151,835,442.91
  5. Step 5: Solve for x
    x = 1,440,151,835,442.91/1,377,664.76
  6. Step 6: Final answer
    x = 1,045,357.24

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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.