Home / 1,248,119.79-1,872,179.70-301,490.51

Finding the Fourth Proportional to 1,248,119.79, 1,872,179.70 and 301,490.51

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Solution

The fourth proportional to 1,248,119.79, 1,872,179.70 and 301,490.51 is: 452,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,119.79 : 1,872,179.70 = 301,490.51 : x
  2. Step 2: Convert to fraction form
    1,248,119.79/1,872,179.70 = 301,490.51/x
  3. Step 3: Cross multiply
    1,248,119.79x = 1,872,179.70 × 301,490.51
  4. Step 4: Simplify right side
    1,248,119.79x = 564,444,411,057.20
  5. Step 5: Solve for x
    x = 564,444,411,057.20/1,248,119.79
  6. Step 6: Final answer
    x = 452,235.77

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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.