Home / 1,075,627.20-1,613,440.80-699,614.40

Finding the Fourth Proportional to 1,075,627.20, 1,613,440.80 and 699,614.40

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Solution

The fourth proportional to 1,075,627.20, 1,613,440.80 and 699,614.40 is: 1,049,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,627.20 : 1,613,440.80 = 699,614.40 : x
  2. Step 2: Convert to fraction form
    1,075,627.20/1,613,440.80 = 699,614.40/x
  3. Step 3: Cross multiply
    1,075,627.20x = 1,613,440.80 × 699,614.40
  4. Step 4: Simplify right side
    1,075,627.20x = 1,128,786,417,227.52
  5. Step 5: Solve for x
    x = 1,128,786,417,227.52/1,075,627.20
  6. Step 6: Final answer
    x = 1,049,421.60

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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.