Home / 1,047,222.79-1,570,849.98-398,834.88

Finding the Fourth Proportional to 1,047,222.79, 1,570,849.98 and 398,834.88

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Solution

The fourth proportional to 1,047,222.79, 1,570,849.98 and 398,834.88 is: 598,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,222.79 : 1,570,849.98 = 398,834.88 : x
  2. Step 2: Convert to fraction form
    1,047,222.79/1,570,849.98 = 398,834.88/x
  3. Step 3: Cross multiply
    1,047,222.79x = 1,570,849.98 × 398,834.88
  4. Step 4: Simplify right side
    1,047,222.79x = 626,509,763,271.30
  5. Step 5: Solve for x
    x = 626,509,763,271.30/1,047,222.79
  6. Step 6: Final answer
    x = 598,258.34

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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.