Home / 896,445.20-1,344,667.80-828,016.40

Finding the Fourth Proportional to 896,445.20, 1,344,667.80 and 828,016.40

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Solution

The fourth proportional to 896,445.20, 1,344,667.80 and 828,016.40 is: 1,242,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,445.20 : 1,344,667.80 = 828,016.40 : x
  2. Step 2: Convert to fraction form
    896,445.20/1,344,667.80 = 828,016.40/x
  3. Step 3: Cross multiply
    896,445.20x = 1,344,667.80 × 828,016.40
  4. Step 4: Simplify right side
    896,445.20x = 1,113,406,990,951.92
  5. Step 5: Solve for x
    x = 1,113,406,990,951.92/896,445.20
  6. Step 6: Final answer
    x = 1,242,024.60

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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.