Home / 1,010,507.16-1,394,168.70-720,164.46

Finding the Fourth Proportional to 1,010,507.16, 1,394,168.70 and 720,164.46

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Solution

The fourth proportional to 1,010,507.16, 1,394,168.70 and 720,164.46 is: 993,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,507.16 : 1,394,168.70 = 720,164.46 : x
  2. Step 2: Convert to fraction form
    1,010,507.16/1,394,168.70 = 720,164.46/x
  3. Step 3: Cross multiply
    1,010,507.16x = 1,394,168.70 × 720,164.46
  4. Step 4: Simplify right side
    1,010,507.16x = 1,004,030,748,984.40
  5. Step 5: Solve for x
    x = 1,004,030,748,984.40/1,010,507.16
  6. Step 6: Final answer
    x = 993,590.93

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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.