Home / 1,152,143.48-1,728,215.40-310,695.32

Finding the Fourth Proportional to 1,152,143.48, 1,728,215.40 and 310,695.32

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Solution

The fourth proportional to 1,152,143.48, 1,728,215.40 and 310,695.32 is: 466,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,143.48 : 1,728,215.40 = 310,695.32 : x
  2. Step 2: Convert to fraction form
    1,152,143.48/1,728,215.40 = 310,695.32/x
  3. Step 3: Cross multiply
    1,152,143.48x = 1,728,215.40 × 310,695.32
  4. Step 4: Simplify right side
    1,152,143.48x = 536,948,436,731.93
  5. Step 5: Solve for x
    x = 536,948,436,731.93/1,152,143.48
  6. Step 6: Final answer
    x = 466,043.03

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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.