Home / 1,077,302.80-1,613,621.40-699,389.20

Finding the Fourth Proportional to 1,077,302.80, 1,613,621.40 and 699,389.20

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Solution

The fourth proportional to 1,077,302.80, 1,613,621.40 and 699,389.20 is: 1,047,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,302.80 : 1,613,621.40 = 699,389.20 : x
  2. Step 2: Convert to fraction form
    1,077,302.80/1,613,621.40 = 699,389.20/x
  3. Step 3: Cross multiply
    1,077,302.80x = 1,613,621.40 × 699,389.20
  4. Step 4: Simplify right side
    1,077,302.80x = 1,128,549,380,048.88
  5. Step 5: Solve for x
    x = 1,128,549,380,048.88/1,077,302.80
  6. Step 6: Final answer
    x = 1,047,569.34

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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.