Home / 1,029,269.06-1,420,394.65-570,391.20

Finding the Fourth Proportional to 1,029,269.06, 1,420,394.65 and 570,391.20

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Solution

The fourth proportional to 1,029,269.06, 1,420,394.65 and 570,391.20 is: 787,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,269.06 : 1,420,394.65 = 570,391.20 : x
  2. Step 2: Convert to fraction form
    1,029,269.06/1,420,394.65 = 570,391.20/x
  3. Step 3: Cross multiply
    1,029,269.06x = 1,420,394.65 × 570,391.20
  4. Step 4: Simplify right side
    1,029,269.06x = 810,180,607,461.10
  5. Step 5: Solve for x
    x = 810,180,607,461.10/1,029,269.06
  6. Step 6: Final answer
    x = 787,141.71

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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.