Home / 1,245,267.61-1,865,648.77-571,912.18

Finding the Fourth Proportional to 1,245,267.61, 1,865,648.77 and 571,912.18

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Solution

The fourth proportional to 1,245,267.61, 1,865,648.77 and 571,912.18 is: 856,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,267.61 : 1,865,648.77 = 571,912.18 : x
  2. Step 2: Convert to fraction form
    1,245,267.61/1,865,648.77 = 571,912.18/x
  3. Step 3: Cross multiply
    1,245,267.61x = 1,865,648.77 × 571,912.18
  4. Step 4: Simplify right side
    1,245,267.61x = 1,066,987,249,071.12
  5. Step 5: Solve for x
    x = 1,066,987,249,071.12/1,245,267.61
  6. Step 6: Final answer
    x = 856,833.70

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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.