Home / 1,026,006.90-1,539,010.35-278,052.90

Finding the Fourth Proportional to 1,026,006.90, 1,539,010.35 and 278,052.90

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Solution

The fourth proportional to 1,026,006.90, 1,539,010.35 and 278,052.90 is: 417,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,006.90 : 1,539,010.35 = 278,052.90 : x
  2. Step 2: Convert to fraction form
    1,026,006.90/1,539,010.35 = 278,052.90/x
  3. Step 3: Cross multiply
    1,026,006.90x = 1,539,010.35 × 278,052.90
  4. Step 4: Simplify right side
    1,026,006.90x = 427,926,290,947.52
  5. Step 5: Solve for x
    x = 427,926,290,947.52/1,026,006.90
  6. Step 6: Final answer
    x = 417,079.35

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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.