Home / 1,720,263.72-2,578,952.16-760,564.38

Finding the Fourth Proportional to 1,720,263.72, 2,578,952.16 and 760,564.38

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Solution

The fourth proportional to 1,720,263.72, 2,578,952.16 and 760,564.38 is: 1,140,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,263.72 : 2,578,952.16 = 760,564.38 : x
  2. Step 2: Convert to fraction form
    1,720,263.72/2,578,952.16 = 760,564.38/x
  3. Step 3: Cross multiply
    1,720,263.72x = 2,578,952.16 × 760,564.38
  4. Step 4: Simplify right side
    1,720,263.72x = 1,961,459,150,620.06
  5. Step 5: Solve for x
    x = 1,961,459,150,620.06/1,720,263.72
  6. Step 6: Final answer
    x = 1,140,208.40

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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.