Home / 1,345,719.40-2,018,586.66-399,097.24

Finding the Fourth Proportional to 1,345,719.40, 2,018,586.66 and 399,097.24

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Solution

The fourth proportional to 1,345,719.40, 2,018,586.66 and 399,097.24 is: 598,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,719.40 : 2,018,586.66 = 399,097.24 : x
  2. Step 2: Convert to fraction form
    1,345,719.40/2,018,586.66 = 399,097.24/x
  3. Step 3: Cross multiply
    1,345,719.40x = 2,018,586.66 × 399,097.24
  4. Step 4: Simplify right side
    1,345,719.40x = 805,612,364,706.82
  5. Step 5: Solve for x
    x = 805,612,364,706.82/1,345,719.40
  6. Step 6: Final answer
    x = 598,648.10

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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.