Home / 1,291,345.53-1,781,575.48-807,726.93

Finding the Fourth Proportional to 1,291,345.53, 1,781,575.48 and 807,726.93

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Solution

The fourth proportional to 1,291,345.53, 1,781,575.48 and 807,726.93 is: 1,114,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,345.53 : 1,781,575.48 = 807,726.93 : x
  2. Step 2: Convert to fraction form
    1,291,345.53/1,781,575.48 = 807,726.93/x
  3. Step 3: Cross multiply
    1,291,345.53x = 1,781,575.48 × 807,726.93
  4. Step 4: Simplify right side
    1,291,345.53x = 1,439,026,491,004.36
  5. Step 5: Solve for x
    x = 1,439,026,491,004.36/1,291,345.53
  6. Step 6: Final answer
    x = 1,114,362.08

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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.