Home / 1,077,303.80-1,613,622.90-699,390.20

Finding the Fourth Proportional to 1,077,303.80, 1,613,622.90 and 699,390.20

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Solution

The fourth proportional to 1,077,303.80, 1,613,622.90 and 699,390.20 is: 1,047,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,303.80 : 1,613,622.90 = 699,390.20 : x
  2. Step 2: Convert to fraction form
    1,077,303.80/1,613,622.90 = 699,390.20/x
  3. Step 3: Cross multiply
    1,077,303.80x = 1,613,622.90 × 699,390.20
  4. Step 4: Simplify right side
    1,077,303.80x = 1,128,552,042,755.58
  5. Step 5: Solve for x
    x = 1,128,552,042,755.58/1,077,303.80
  6. Step 6: Final answer
    x = 1,047,570.84

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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.