Home / 1,047,255.50-1,570,851.86-289,143.26

Finding the Fourth Proportional to 1,047,255.50, 1,570,851.86 and 289,143.26

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Solution

The fourth proportional to 1,047,255.50, 1,570,851.86 and 289,143.26 is: 433,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,255.50 : 1,570,851.86 = 289,143.26 : x
  2. Step 2: Convert to fraction form
    1,047,255.50/1,570,851.86 = 289,143.26/x
  3. Step 3: Cross multiply
    1,047,255.50x = 1,570,851.86 × 289,143.26
  4. Step 4: Simplify right side
    1,047,255.50x = 454,201,218,477.49
  5. Step 5: Solve for x
    x = 454,201,218,477.49/1,047,255.50
  6. Step 6: Final answer
    x = 433,706.22

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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.