Home / 1,345,720.40-2,018,588.16-399,098.24

Finding the Fourth Proportional to 1,345,720.40, 2,018,588.16 and 399,098.24

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Solution

The fourth proportional to 1,345,720.40, 2,018,588.16 and 399,098.24 is: 598,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,720.40 : 2,018,588.16 = 399,098.24 : x
  2. Step 2: Convert to fraction form
    1,345,720.40/2,018,588.16 = 399,098.24/x
  3. Step 3: Cross multiply
    1,345,720.40x = 2,018,588.16 × 399,098.24
  4. Step 4: Simplify right side
    1,345,720.40x = 805,614,981,940.84
  5. Step 5: Solve for x
    x = 805,614,981,940.84/1,345,720.40
  6. Step 6: Final answer
    x = 598,649.60

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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.