Home / 1,577,041.28-2,365,561.67-378,963.60

Finding the Fourth Proportional to 1,577,041.28, 2,365,561.67 and 378,963.60

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Solution

The fourth proportional to 1,577,041.28, 2,365,561.67 and 378,963.60 is: 568,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,041.28 : 2,365,561.67 = 378,963.60 : x
  2. Step 2: Convert to fraction form
    1,577,041.28/2,365,561.67 = 378,963.60/x
  3. Step 3: Cross multiply
    1,577,041.28x = 2,365,561.67 × 378,963.60
  4. Step 4: Simplify right side
    1,577,041.28x = 896,461,764,590.39
  5. Step 5: Solve for x
    x = 896,461,764,590.39/1,577,041.28
  6. Step 6: Final answer
    x = 568,445.34

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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.