Home / 1,395,432.11-2,090,345.59-636,229.23

Finding the Fourth Proportional to 1,395,432.11, 2,090,345.59 and 636,229.23

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Solution

The fourth proportional to 1,395,432.11, 2,090,345.59 and 636,229.23 is: 953,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,432.11 : 2,090,345.59 = 636,229.23 : x
  2. Step 2: Convert to fraction form
    1,395,432.11/2,090,345.59 = 636,229.23/x
  3. Step 3: Cross multiply
    1,395,432.11x = 2,090,345.59 × 636,229.23
  4. Step 4: Simplify right side
    1,395,432.11x = 1,329,938,966,295.49
  5. Step 5: Solve for x
    x = 1,329,938,966,295.49/1,395,432.11
  6. Step 6: Final answer
    x = 953,066.05

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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.