Home / 1,315,040.80-1,972,561.20-473,483.20

Finding the Fourth Proportional to 1,315,040.80, 1,972,561.20 and 473,483.20

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Solution

The fourth proportional to 1,315,040.80, 1,972,561.20 and 473,483.20 is: 710,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,040.80 : 1,972,561.20 = 473,483.20 : x
  2. Step 2: Convert to fraction form
    1,315,040.80/1,972,561.20 = 473,483.20/x
  3. Step 3: Cross multiply
    1,315,040.80x = 1,972,561.20 × 473,483.20
  4. Step 4: Simplify right side
    1,315,040.80x = 933,974,589,171.84
  5. Step 5: Solve for x
    x = 933,974,589,171.84/1,315,040.80
  6. Step 6: Final answer
    x = 710,224.80

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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.