Home / 1,138,412.20-1,709,586.60-606,971.20

Finding the Fourth Proportional to 1,138,412.20, 1,709,586.60 and 606,971.20

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Solution

The fourth proportional to 1,138,412.20, 1,709,586.60 and 606,971.20 is: 911,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,412.20 : 1,709,586.60 = 606,971.20 : x
  2. Step 2: Convert to fraction form
    1,138,412.20/1,709,586.60 = 606,971.20/x
  3. Step 3: Cross multiply
    1,138,412.20x = 1,709,586.60 × 606,971.20
  4. Step 4: Simplify right side
    1,138,412.20x = 1,037,669,830,105.92
  5. Step 5: Solve for x
    x = 1,037,669,830,105.92/1,138,412.20
  6. Step 6: Final answer
    x = 911,506.25

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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.