Home / 1,515,073.08-2,090,810.70-826,793.40

Finding the Fourth Proportional to 1,515,073.08, 2,090,810.70 and 826,793.40

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Solution

The fourth proportional to 1,515,073.08, 2,090,810.70 and 826,793.40 is: 1,140,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,073.08 : 2,090,810.70 = 826,793.40 : x
  2. Step 2: Convert to fraction form
    1,515,073.08/2,090,810.70 = 826,793.40/x
  3. Step 3: Cross multiply
    1,515,073.08x = 2,090,810.70 × 826,793.40
  4. Step 4: Simplify right side
    1,515,073.08x = 1,728,668,487,409.38
  5. Step 5: Solve for x
    x = 1,728,668,487,409.38/1,515,073.08
  6. Step 6: Final answer
    x = 1,140,980.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.