Home / 1,029,158.34-1,420,269.66-570,229.98

Finding the Fourth Proportional to 1,029,158.34, 1,420,269.66 and 570,229.98

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Solution

The fourth proportional to 1,029,158.34, 1,420,269.66 and 570,229.98 is: 786,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,158.34 : 1,420,269.66 = 570,229.98 : x
  2. Step 2: Convert to fraction form
    1,029,158.34/1,420,269.66 = 570,229.98/x
  3. Step 3: Cross multiply
    1,029,158.34x = 1,420,269.66 × 570,229.98
  4. Step 4: Simplify right side
    1,029,158.34x = 809,880,339,816.41
  5. Step 5: Solve for x
    x = 809,880,339,816.41/1,029,158.34
  6. Step 6: Final answer
    x = 786,934.63

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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.