Home / 1,119,429.60-1,679,144.40-277,981.35

Finding the Fourth Proportional to 1,119,429.60, 1,679,144.40 and 277,981.35

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Solution

The fourth proportional to 1,119,429.60, 1,679,144.40 and 277,981.35 is: 416,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,429.60 : 1,679,144.40 = 277,981.35 : x
  2. Step 2: Convert to fraction form
    1,119,429.60/1,679,144.40 = 277,981.35/x
  3. Step 3: Cross multiply
    1,119,429.60x = 1,679,144.40 × 277,981.35
  4. Step 4: Simplify right side
    1,119,429.60x = 466,770,827,156.94
  5. Step 5: Solve for x
    x = 466,770,827,156.94/1,119,429.60
  6. Step 6: Final answer
    x = 416,972.03

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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.