Home / 1,636,219.20-2,454,328.80-738,674.40

Finding the Fourth Proportional to 1,636,219.20, 2,454,328.80 and 738,674.40

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Solution

The fourth proportional to 1,636,219.20, 2,454,328.80 and 738,674.40 is: 1,108,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,219.20 : 2,454,328.80 = 738,674.40 : x
  2. Step 2: Convert to fraction form
    1,636,219.20/2,454,328.80 = 738,674.40/x
  3. Step 3: Cross multiply
    1,636,219.20x = 2,454,328.80 × 738,674.40
  4. Step 4: Simplify right side
    1,636,219.20x = 1,812,949,853,742.72
  5. Step 5: Solve for x
    x = 1,812,949,853,742.72/1,636,219.20
  6. Step 6: Final answer
    x = 1,108,011.60

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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.