Home / 1,262,337.26-1,896,308.42-782,919.35

Finding the Fourth Proportional to 1,262,337.26, 1,896,308.42 and 782,919.35

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Solution

The fourth proportional to 1,262,337.26, 1,896,308.42 and 782,919.35 is: 1,176,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,337.26 : 1,896,308.42 = 782,919.35 : x
  2. Step 2: Convert to fraction form
    1,262,337.26/1,896,308.42 = 782,919.35/x
  3. Step 3: Cross multiply
    1,262,337.26x = 1,896,308.42 × 782,919.35
  4. Step 4: Simplify right side
    1,262,337.26x = 1,484,656,556,412.10
  5. Step 5: Solve for x
    x = 1,484,656,556,412.10/1,262,337.26
  6. Step 6: Final answer
    x = 1,176,117.19

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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.