Home / 1,017,501.20-1,526,251.80-259,341.20

Finding the Fourth Proportional to 1,017,501.20, 1,526,251.80 and 259,341.20

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Solution

The fourth proportional to 1,017,501.20, 1,526,251.80 and 259,341.20 is: 389,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,501.20 : 1,526,251.80 = 259,341.20 : x
  2. Step 2: Convert to fraction form
    1,017,501.20/1,526,251.80 = 259,341.20/x
  3. Step 3: Cross multiply
    1,017,501.20x = 1,526,251.80 × 259,341.20
  4. Step 4: Simplify right side
    1,017,501.20x = 395,819,973,314.16
  5. Step 5: Solve for x
    x = 395,819,973,314.16/1,017,501.20
  6. Step 6: Final answer
    x = 389,011.80

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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.