Home / 1,518,000.32-2,277,629.93-664,631.55

Finding the Fourth Proportional to 1,518,000.32, 2,277,629.93 and 664,631.55

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Solution

The fourth proportional to 1,518,000.32, 2,277,629.93 and 664,631.55 is: 997,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,000.32 : 2,277,629.93 = 664,631.55 : x
  2. Step 2: Convert to fraction form
    1,518,000.32/2,277,629.93 = 664,631.55/x
  3. Step 3: Cross multiply
    1,518,000.32x = 2,277,629.93 × 664,631.55
  4. Step 4: Simplify right side
    1,518,000.32x = 1,513,784,712,363.87
  5. Step 5: Solve for x
    x = 1,513,784,712,363.87/1,518,000.32
  6. Step 6: Final answer
    x = 997,222.92

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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.