Home / 1,501,455.36-2,072,042.08-856,862.72

Finding the Fourth Proportional to 1,501,455.36, 2,072,042.08 and 856,862.72

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Solution

The fourth proportional to 1,501,455.36, 2,072,042.08 and 856,862.72 is: 1,182,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,455.36 : 2,072,042.08 = 856,862.72 : x
  2. Step 2: Convert to fraction form
    1,501,455.36/2,072,042.08 = 856,862.72/x
  3. Step 3: Cross multiply
    1,501,455.36x = 2,072,042.08 × 856,862.72
  4. Step 4: Simplify right side
    1,501,455.36x = 1,775,455,612,623.26
  5. Step 5: Solve for x
    x = 1,775,455,612,623.26/1,501,455.36
  6. Step 6: Final answer
    x = 1,182,489.78

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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.