Home / 1,139,462.88-1,572,394.64-623,114.24

Finding the Fourth Proportional to 1,139,462.88, 1,572,394.64 and 623,114.24

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Solution

The fourth proportional to 1,139,462.88, 1,572,394.64 and 623,114.24 is: 859,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,462.88 : 1,572,394.64 = 623,114.24 : x
  2. Step 2: Convert to fraction form
    1,139,462.88/1,572,394.64 = 623,114.24/x
  3. Step 3: Cross multiply
    1,139,462.88x = 1,572,394.64 × 623,114.24
  4. Step 4: Simplify right side
    1,139,462.88x = 979,781,491,083.67
  5. Step 5: Solve for x
    x = 979,781,491,083.67/1,139,462.88
  6. Step 6: Final answer
    x = 859,862.58

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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.