Home / 1,330,457.20-1,995,685.80-572,661.70

Finding the Fourth Proportional to 1,330,457.20, 1,995,685.80 and 572,661.70

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Solution

The fourth proportional to 1,330,457.20, 1,995,685.80 and 572,661.70 is: 858,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,457.20 : 1,995,685.80 = 572,661.70 : x
  2. Step 2: Convert to fraction form
    1,330,457.20/1,995,685.80 = 572,661.70/x
  3. Step 3: Cross multiply
    1,330,457.20x = 1,995,685.80 × 572,661.70
  4. Step 4: Simplify right side
    1,330,457.20x = 1,142,852,822,893.86
  5. Step 5: Solve for x
    x = 1,142,852,822,893.86/1,330,457.20
  6. Step 6: Final answer
    x = 858,992.55

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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.