Home / 1,415,971.20-2,125,166.40-575,126.40

Finding the Fourth Proportional to 1,415,971.20, 2,125,166.40 and 575,126.40

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Solution

The fourth proportional to 1,415,971.20, 2,125,166.40 and 575,126.40 is: 863,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,971.20 : 2,125,166.40 = 575,126.40 : x
  2. Step 2: Convert to fraction form
    1,415,971.20/2,125,166.40 = 575,126.40/x
  3. Step 3: Cross multiply
    1,415,971.20x = 2,125,166.40 × 575,126.40
  4. Step 4: Simplify right side
    1,415,971.20x = 1,222,239,301,032.96
  5. Step 5: Solve for x
    x = 1,222,239,301,032.96/1,415,971.20
  6. Step 6: Final answer
    x = 863,180.90

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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.