Home / 1,277,475.48-1,915,886.16-378,707.04

Finding the Fourth Proportional to 1,277,475.48, 1,915,886.16 and 378,707.04

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Solution

The fourth proportional to 1,277,475.48, 1,915,886.16 and 378,707.04 is: 567,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,475.48 : 1,915,886.16 = 378,707.04 : x
  2. Step 2: Convert to fraction form
    1,277,475.48/1,915,886.16 = 378,707.04/x
  3. Step 3: Cross multiply
    1,277,475.48x = 1,915,886.16 × 378,707.04
  4. Step 4: Simplify right side
    1,277,475.48x = 725,559,576,630.57
  5. Step 5: Solve for x
    x = 725,559,576,630.57/1,277,475.48
  6. Step 6: Final answer
    x = 567,963.60

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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.