Home / 1,455,593.66-2,183,089.76-390,382.50

Finding the Fourth Proportional to 1,455,593.66, 2,183,089.76 and 390,382.50

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Solution

The fourth proportional to 1,455,593.66, 2,183,089.76 and 390,382.50 is: 585,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,593.66 : 2,183,089.76 = 390,382.50 : x
  2. Step 2: Convert to fraction form
    1,455,593.66/2,183,089.76 = 390,382.50/x
  3. Step 3: Cross multiply
    1,455,593.66x = 2,183,089.76 × 390,382.50
  4. Step 4: Simplify right side
    1,455,593.66x = 852,240,038,233.20
  5. Step 5: Solve for x
    x = 852,240,038,233.20/1,455,593.66
  6. Step 6: Final answer
    x = 585,493.10

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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.