Home / 1,500,687.55-2,070,953.77-812,359.22

Finding the Fourth Proportional to 1,500,687.55, 2,070,953.77 and 812,359.22

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Solution

The fourth proportional to 1,500,687.55, 2,070,953.77 and 812,359.22 is: 1,121,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,687.55 : 2,070,953.77 = 812,359.22 : x
  2. Step 2: Convert to fraction form
    1,500,687.55/2,070,953.77 = 812,359.22/x
  3. Step 3: Cross multiply
    1,500,687.55x = 2,070,953.77 × 812,359.22
  4. Step 4: Simplify right side
    1,500,687.55x = 1,682,358,389,253.26
  5. Step 5: Solve for x
    x = 1,682,358,389,253.26/1,500,687.55
  6. Step 6: Final answer
    x = 1,121,058.40

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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.