Home / 1,345,648.50-2,018,862.39-399,042.06

Finding the Fourth Proportional to 1,345,648.50, 2,018,862.39 and 399,042.06

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Solution

The fourth proportional to 1,345,648.50, 2,018,862.39 and 399,042.06 is: 598,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,648.50 : 2,018,862.39 = 399,042.06 : x
  2. Step 2: Convert to fraction form
    1,345,648.50/2,018,862.39 = 399,042.06/x
  3. Step 3: Cross multiply
    1,345,648.50x = 2,018,862.39 × 399,042.06
  4. Step 4: Simplify right side
    1,345,648.50x = 805,611,006,962.12
  5. Step 5: Solve for x
    x = 805,611,006,962.12/1,345,648.50
  6. Step 6: Final answer
    x = 598,678.63

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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.