Home / 1,009,335.12-1,392,835.52-579,312.56

Finding the Fourth Proportional to 1,009,335.12, 1,392,835.52 and 579,312.56

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Solution

The fourth proportional to 1,009,335.12, 1,392,835.52 and 579,312.56 is: 799,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,335.12 : 1,392,835.52 = 579,312.56 : x
  2. Step 2: Convert to fraction form
    1,009,335.12/1,392,835.52 = 579,312.56/x
  3. Step 3: Cross multiply
    1,009,335.12x = 1,392,835.52 × 579,312.56
  4. Step 4: Simplify right side
    1,009,335.12x = 806,887,110,750.13
  5. Step 5: Solve for x
    x = 806,887,110,750.13/1,009,335.12
  6. Step 6: Final answer
    x = 799,424.39

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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.