Home / 1,330,766.16-1,835,936.52-820,582.80

Finding the Fourth Proportional to 1,330,766.16, 1,835,936.52 and 820,582.80

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Solution

The fourth proportional to 1,330,766.16, 1,835,936.52 and 820,582.80 is: 1,132,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,766.16 : 1,835,936.52 = 820,582.80 : x
  2. Step 2: Convert to fraction form
    1,330,766.16/1,835,936.52 = 820,582.80/x
  3. Step 3: Cross multiply
    1,330,766.16x = 1,835,936.52 × 820,582.80
  4. Step 4: Simplify right side
    1,330,766.16x = 1,506,537,930,203.86
  5. Step 5: Solve for x
    x = 1,506,537,930,203.86/1,330,766.16
  6. Step 6: Final answer
    x = 1,132,083.14

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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.