Home / 1,098,017.40-1,647,026.10-678,113.40

Finding the Fourth Proportional to 1,098,017.40, 1,647,026.10 and 678,113.40

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Solution

The fourth proportional to 1,098,017.40, 1,647,026.10 and 678,113.40 is: 1,017,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,017.40 : 1,647,026.10 = 678,113.40 : x
  2. Step 2: Convert to fraction form
    1,098,017.40/1,647,026.10 = 678,113.40/x
  3. Step 3: Cross multiply
    1,098,017.40x = 1,647,026.10 × 678,113.40
  4. Step 4: Simplify right side
    1,098,017.40x = 1,116,870,468,559.74
  5. Step 5: Solve for x
    x = 1,116,870,468,559.74/1,098,017.40
  6. Step 6: Final answer
    x = 1,017,170.10

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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.