Home / 1,023,857.56-1,534,590.36-770,323.40

Finding the Fourth Proportional to 1,023,857.56, 1,534,590.36 and 770,323.40

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Solution

The fourth proportional to 1,023,857.56, 1,534,590.36 and 770,323.40 is: 1,154,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,857.56 : 1,534,590.36 = 770,323.40 : x
  2. Step 2: Convert to fraction form
    1,023,857.56/1,534,590.36 = 770,323.40/x
  3. Step 3: Cross multiply
    1,023,857.56x = 1,534,590.36 × 770,323.40
  4. Step 4: Simplify right side
    1,023,857.56x = 1,182,130,863,722.42
  5. Step 5: Solve for x
    x = 1,182,130,863,722.42/1,023,857.56
  6. Step 6: Final answer
    x = 1,154,585.28

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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.