Home / 1,048,317.88-1,572,172.86-408,478.90

Finding the Fourth Proportional to 1,048,317.88, 1,572,172.86 and 408,478.90

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Solution

The fourth proportional to 1,048,317.88, 1,572,172.86 and 408,478.90 is: 612,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,317.88 : 1,572,172.86 = 408,478.90 : x
  2. Step 2: Convert to fraction form
    1,048,317.88/1,572,172.86 = 408,478.90/x
  3. Step 3: Cross multiply
    1,048,317.88x = 1,572,172.86 × 408,478.90
  4. Step 4: Simplify right side
    1,048,317.88x = 642,199,440,462.65
  5. Step 5: Solve for x
    x = 642,199,440,462.65/1,048,317.88
  6. Step 6: Final answer
    x = 612,599.91

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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.