Home / 1,987,237.17-2,980,904.94-725,064.75

Finding the Fourth Proportional to 1,987,237.17, 2,980,904.94 and 725,064.75

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Solution

The fourth proportional to 1,987,237.17, 2,980,904.94 and 725,064.75 is: 1,087,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,237.17 : 2,980,904.94 = 725,064.75 : x
  2. Step 2: Convert to fraction form
    1,987,237.17/2,980,904.94 = 725,064.75/x
  3. Step 3: Cross multiply
    1,987,237.17x = 2,980,904.94 × 725,064.75
  4. Step 4: Simplify right side
    1,987,237.17x = 2,161,349,095,094.87
  5. Step 5: Solve for x
    x = 2,161,349,095,094.87/1,987,237.17
  6. Step 6: Final answer
    x = 1,087,615.07

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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.