Home / 1,017,980.20-1,527,143.10-308,002.60

Finding the Fourth Proportional to 1,017,980.20, 1,527,143.10 and 308,002.60

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Solution

The fourth proportional to 1,017,980.20, 1,527,143.10 and 308,002.60 is: 462,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,980.20 : 1,527,143.10 = 308,002.60 : x
  2. Step 2: Convert to fraction form
    1,017,980.20/1,527,143.10 = 308,002.60/x
  3. Step 3: Cross multiply
    1,017,980.20x = 1,527,143.10 × 308,002.60
  4. Step 4: Simplify right side
    1,017,980.20x = 470,364,045,372.06
  5. Step 5: Solve for x
    x = 470,364,045,372.06/1,017,980.20
  6. Step 6: Final answer
    x = 462,056.18

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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.