Home / 1,545,280.40-2,317,920.60-408,040.40

Finding the Fourth Proportional to 1,545,280.40, 2,317,920.60 and 408,040.40

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Solution

The fourth proportional to 1,545,280.40, 2,317,920.60 and 408,040.40 is: 612,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,280.40 : 2,317,920.60 = 408,040.40 : x
  2. Step 2: Convert to fraction form
    1,545,280.40/2,317,920.60 = 408,040.40/x
  3. Step 3: Cross multiply
    1,545,280.40x = 2,317,920.60 × 408,040.40
  4. Step 4: Simplify right side
    1,545,280.40x = 945,805,248,792.24
  5. Step 5: Solve for x
    x = 945,805,248,792.24/1,545,280.40
  6. Step 6: Final answer
    x = 612,060.60

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1.5x scale

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.