Home / 1,025,200.80-1,537,801.20-277,246.80

Finding the Fourth Proportional to 1,025,200.80, 1,537,801.20 and 277,246.80

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Solution

The fourth proportional to 1,025,200.80, 1,537,801.20 and 277,246.80 is: 415,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,200.80 : 1,537,801.20 = 277,246.80 : x
  2. Step 2: Convert to fraction form
    1,025,200.80/1,537,801.20 = 277,246.80/x
  3. Step 3: Cross multiply
    1,025,200.80x = 1,537,801.20 × 277,246.80
  4. Step 4: Simplify right side
    1,025,200.80x = 426,350,461,736.16
  5. Step 5: Solve for x
    x = 426,350,461,736.16/1,025,200.80
  6. Step 6: Final answer
    x = 415,870.20

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Double scale
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Similar ratio
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1.5x scale

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.