Home / 1,158,405.84-1,597,652.28-815,377.32

Finding the Fourth Proportional to 1,158,405.84, 1,597,652.28 and 815,377.32

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Solution

The fourth proportional to 1,158,405.84, 1,597,652.28 and 815,377.32 is: 1,124,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,405.84 : 1,597,652.28 = 815,377.32 : x
  2. Step 2: Convert to fraction form
    1,158,405.84/1,597,652.28 = 815,377.32/x
  3. Step 3: Cross multiply
    1,158,405.84x = 1,597,652.28 × 815,377.32
  4. Step 4: Simplify right side
    1,158,405.84x = 1,302,689,434,358.29
  5. Step 5: Solve for x
    x = 1,302,689,434,358.29/1,158,405.84
  6. Step 6: Final answer
    x = 1,124,553.58

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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.