Home / 1,047,226.80-1,570,855.98-398,838.88

Finding the Fourth Proportional to 1,047,226.80, 1,570,855.98 and 398,838.88

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Solution

The fourth proportional to 1,047,226.80, 1,570,855.98 and 398,838.88 is: 598,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,226.80 : 1,570,855.98 = 398,838.88 : x
  2. Step 2: Convert to fraction form
    1,047,226.80/1,570,855.98 = 398,838.88/x
  3. Step 3: Cross multiply
    1,047,226.80x = 1,570,855.98 × 398,838.88
  4. Step 4: Simplify right side
    1,047,226.80x = 626,518,439,704.50
  5. Step 5: Solve for x
    x = 626,518,439,704.50/1,047,226.80
  6. Step 6: Final answer
    x = 598,264.33

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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.