Home / 1,150,597.90-1,587,166.70-720,130.69

Finding the Fourth Proportional to 1,150,597.90, 1,587,166.70 and 720,130.69

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Solution

The fourth proportional to 1,150,597.90, 1,587,166.70 and 720,130.69 is: 993,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,597.90 : 1,587,166.70 = 720,130.69 : x
  2. Step 2: Convert to fraction form
    1,150,597.90/1,587,166.70 = 720,130.69/x
  3. Step 3: Cross multiply
    1,150,597.90x = 1,587,166.70 × 720,130.69
  4. Step 4: Simplify right side
    1,150,597.90x = 1,142,967,439,279.54
  5. Step 5: Solve for x
    x = 1,142,967,439,279.54/1,150,597.90
  6. Step 6: Final answer
    x = 993,368.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.