Home / 1,036,712.45-1,555,068.68-859,565.45

Finding the Fourth Proportional to 1,036,712.45, 1,555,068.68 and 859,565.45

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Solution

The fourth proportional to 1,036,712.45, 1,555,068.68 and 859,565.45 is: 1,289,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,712.45 : 1,555,068.68 = 859,565.45 : x
  2. Step 2: Convert to fraction form
    1,036,712.45/1,555,068.68 = 859,565.45/x
  3. Step 3: Cross multiply
    1,036,712.45x = 1,555,068.68 × 859,565.45
  4. Step 4: Simplify right side
    1,036,712.45x = 1,336,683,309,705.11
  5. Step 5: Solve for x
    x = 1,336,683,309,705.11/1,036,712.45
  6. Step 6: Final answer
    x = 1,289,348.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.