Home / 1,500,534.89-2,070,935.27-855,807.29

Finding the Fourth Proportional to 1,500,534.89, 2,070,935.27 and 855,807.29

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Solution

The fourth proportional to 1,500,534.89, 2,070,935.27 and 855,807.29 is: 1,181,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,534.89 : 2,070,935.27 = 855,807.29 : x
  2. Step 2: Convert to fraction form
    1,500,534.89/2,070,935.27 = 855,807.29/x
  3. Step 3: Cross multiply
    1,500,534.89x = 2,070,935.27 × 855,807.29
  4. Step 4: Simplify right side
    1,500,534.89x = 1,772,321,486,550.41
  5. Step 5: Solve for x
    x = 1,772,321,486,550.41/1,500,534.89
  6. Step 6: Final answer
    x = 1,181,126.48

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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.