Home / 1,036,690.70-1,555,036.05-859,543.70

Finding the Fourth Proportional to 1,036,690.70, 1,555,036.05 and 859,543.70

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Solution

The fourth proportional to 1,036,690.70, 1,555,036.05 and 859,543.70 is: 1,289,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,690.70 : 1,555,036.05 = 859,543.70 : x
  2. Step 2: Convert to fraction form
    1,036,690.70/1,555,036.05 = 859,543.70/x
  3. Step 3: Cross multiply
    1,036,690.70x = 1,555,036.05 × 859,543.70
  4. Step 4: Simplify right side
    1,036,690.70x = 1,336,621,440,050.39
  5. Step 5: Solve for x
    x = 1,336,621,440,050.39/1,036,690.70
  6. Step 6: Final answer
    x = 1,289,315.55

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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.