Home / 1,427,347.37-1,969,557.89-815,539.74

Finding the Fourth Proportional to 1,427,347.37, 1,969,557.89 and 815,539.74

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Solution

The fourth proportional to 1,427,347.37, 1,969,557.89 and 815,539.74 is: 1,125,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,347.37 : 1,969,557.89 = 815,539.74 : x
  2. Step 2: Convert to fraction form
    1,427,347.37/1,969,557.89 = 815,539.74/x
  3. Step 3: Cross multiply
    1,427,347.37x = 1,969,557.89 × 815,539.74
  4. Step 4: Simplify right side
    1,427,347.37x = 1,606,252,732,833.69
  5. Step 5: Solve for x
    x = 1,606,252,732,833.69/1,427,347.37
  6. Step 6: Final answer
    x = 1,125,341.15

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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.