Home / 1,025,830.80-1,538,746.20-277,876.80

Finding the Fourth Proportional to 1,025,830.80, 1,538,746.20 and 277,876.80

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Solution

The fourth proportional to 1,025,830.80, 1,538,746.20 and 277,876.80 is: 416,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,830.80 : 1,538,746.20 = 277,876.80 : x
  2. Step 2: Convert to fraction form
    1,025,830.80/1,538,746.20 = 277,876.80/x
  3. Step 3: Cross multiply
    1,025,830.80x = 1,538,746.20 × 277,876.80
  4. Step 4: Simplify right side
    1,025,830.80x = 427,581,870,068.16
  5. Step 5: Solve for x
    x = 427,581,870,068.16/1,025,830.80
  6. Step 6: Final answer
    x = 416,815.20

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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.