Home / 1,575,697.20-2,361,990.60-776,324.40

Finding the Fourth Proportional to 1,575,697.20, 2,361,990.60 and 776,324.40

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Solution

The fourth proportional to 1,575,697.20, 2,361,990.60 and 776,324.40 is: 1,163,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,697.20 : 2,361,990.60 = 776,324.40 : x
  2. Step 2: Convert to fraction form
    1,575,697.20/2,361,990.60 = 776,324.40/x
  3. Step 3: Cross multiply
    1,575,697.20x = 2,361,990.60 × 776,324.40
  4. Step 4: Simplify right side
    1,575,697.20x = 1,833,670,935,350.64
  5. Step 5: Solve for x
    x = 1,833,670,935,350.64/1,575,697.20
  6. Step 6: Final answer
    x = 1,163,720.37

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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.