Home / 1,011,685.86-1,518,277.19-479,208.15

Finding the Fourth Proportional to 1,011,685.86, 1,518,277.19 and 479,208.15

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Solution

The fourth proportional to 1,011,685.86, 1,518,277.19 and 479,208.15 is: 719,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,685.86 : 1,518,277.19 = 479,208.15 : x
  2. Step 2: Convert to fraction form
    1,011,685.86/1,518,277.19 = 479,208.15/x
  3. Step 3: Cross multiply
    1,011,685.86x = 1,518,277.19 × 479,208.15
  4. Step 4: Simplify right side
    1,011,685.86x = 727,570,801,011.06
  5. Step 5: Solve for x
    x = 727,570,801,011.06/1,011,685.86
  6. Step 6: Final answer
    x = 719,166.72

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Double scale
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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.