Home / 1,450,847.02-2,176,267.72-385,890.20

Finding the Fourth Proportional to 1,450,847.02, 2,176,267.72 and 385,890.20

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Solution

The fourth proportional to 1,450,847.02, 2,176,267.72 and 385,890.20 is: 578,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,847.02 : 2,176,267.72 = 385,890.20 : x
  2. Step 2: Convert to fraction form
    1,450,847.02/2,176,267.72 = 385,890.20/x
  3. Step 3: Cross multiply
    1,450,847.02x = 2,176,267.72 × 385,890.20
  4. Step 4: Simplify right side
    1,450,847.02x = 839,800,385,724.34
  5. Step 5: Solve for x
    x = 839,800,385,724.34/1,450,847.02
  6. Step 6: Final answer
    x = 578,834.55

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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.