Home / 1,026,900.30-1,540,350.45-278,946.30

Finding the Fourth Proportional to 1,026,900.30, 1,540,350.45 and 278,946.30

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Solution

The fourth proportional to 1,026,900.30, 1,540,350.45 and 278,946.30 is: 418,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,900.30 : 1,540,350.45 = 278,946.30 : x
  2. Step 2: Convert to fraction form
    1,026,900.30/1,540,350.45 = 278,946.30/x
  3. Step 3: Cross multiply
    1,026,900.30x = 1,540,350.45 × 278,946.30
  4. Step 4: Simplify right side
    1,026,900.30x = 429,675,058,730.84
  5. Step 5: Solve for x
    x = 429,675,058,730.84/1,026,900.30
  6. Step 6: Final answer
    x = 418,419.45

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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.