Home / 1,637,640.05-2,456,689.64-572,439.83

Finding the Fourth Proportional to 1,637,640.05, 2,456,689.64 and 572,439.83

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Solution

The fourth proportional to 1,637,640.05, 2,456,689.64 and 572,439.83 is: 858,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,640.05 : 2,456,689.64 = 572,439.83 : x
  2. Step 2: Convert to fraction form
    1,637,640.05/2,456,689.64 = 572,439.83/x
  3. Step 3: Cross multiply
    1,637,640.05x = 2,456,689.64 × 572,439.83
  4. Step 4: Simplify right side
    1,637,640.05x = 1,406,306,984,738.71
  5. Step 5: Solve for x
    x = 1,406,306,984,738.71/1,637,640.05
  6. Step 6: Final answer
    x = 858,739.98

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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.