Home / 1,300,329.90-1,793,670.62-858,807.18

Finding the Fourth Proportional to 1,300,329.90, 1,793,670.62 and 858,807.18

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Solution

The fourth proportional to 1,300,329.90, 1,793,670.62 and 858,807.18 is: 1,184,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,329.90 : 1,793,670.62 = 858,807.18 : x
  2. Step 2: Convert to fraction form
    1,300,329.90/1,793,670.62 = 858,807.18/x
  3. Step 3: Cross multiply
    1,300,329.90x = 1,793,670.62 × 858,807.18
  4. Step 4: Simplify right side
    1,300,329.90x = 1,540,417,202,717.02
  5. Step 5: Solve for x
    x = 1,540,417,202,717.02/1,300,329.90
  6. Step 6: Final answer
    x = 1,184,635.69

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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.