Home / 1,315,065.13-1,970,853.89-675,343.01

Finding the Fourth Proportional to 1,315,065.13, 1,970,853.89 and 675,343.01

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Solution

The fourth proportional to 1,315,065.13, 1,970,853.89 and 675,343.01 is: 1,012,119.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,065.13 : 1,970,853.89 = 675,343.01 : x
  2. Step 2: Convert to fraction form
    1,315,065.13/1,970,853.89 = 675,343.01/x
  3. Step 3: Cross multiply
    1,315,065.13x = 1,970,853.89 × 675,343.01
  4. Step 4: Simplify right side
    1,315,065.13x = 1,331,002,399,893.23
  5. Step 5: Solve for x
    x = 1,331,002,399,893.23/1,315,065.13
  6. Step 6: Final answer
    x = 1,012,119.00

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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.