Home / 912,234.60-1,368,351.90-874,909.80

Finding the Fourth Proportional to 912,234.60, 1,368,351.90 and 874,909.80

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Solution

The fourth proportional to 912,234.60, 1,368,351.90 and 874,909.80 is: 1,312,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,234.60 : 1,368,351.90 = 874,909.80 : x
  2. Step 2: Convert to fraction form
    912,234.60/1,368,351.90 = 874,909.80/x
  3. Step 3: Cross multiply
    912,234.60x = 1,368,351.90 × 874,909.80
  4. Step 4: Simplify right side
    912,234.60x = 1,197,184,487,158.62
  5. Step 5: Solve for x
    x = 1,197,184,487,158.62/912,234.60
  6. Step 6: Final answer
    x = 1,312,364.70

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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.