Home / 1,025,291.30-1,538,084.02-315,379.22

Finding the Fourth Proportional to 1,025,291.30, 1,538,084.02 and 315,379.22

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Solution

The fourth proportional to 1,025,291.30, 1,538,084.02 and 315,379.22 is: 473,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,291.30 : 1,538,084.02 = 315,379.22 : x
  2. Step 2: Convert to fraction form
    1,025,291.30/1,538,084.02 = 315,379.22/x
  3. Step 3: Cross multiply
    1,025,291.30x = 1,538,084.02 × 315,379.22
  4. Step 4: Simplify right side
    1,025,291.30x = 485,079,738,522.06
  5. Step 5: Solve for x
    x = 485,079,738,522.06/1,025,291.30
  6. Step 6: Final answer
    x = 473,114.07

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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.