Home / 1,529,144.51-2,293,775.08-780,315.71

Finding the Fourth Proportional to 1,529,144.51, 2,293,775.08 and 780,315.71

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Solution

The fourth proportional to 1,529,144.51, 2,293,775.08 and 780,315.71 is: 1,170,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,144.51 : 2,293,775.08 = 780,315.71 : x
  2. Step 2: Convert to fraction form
    1,529,144.51/2,293,775.08 = 780,315.71/x
  3. Step 3: Cross multiply
    1,529,144.51x = 2,293,775.08 × 780,315.71
  4. Step 4: Simplify right side
    1,529,144.51x = 1,789,868,716,710.84
  5. Step 5: Solve for x
    x = 1,789,868,716,710.84/1,529,144.51
  6. Step 6: Final answer
    x = 1,170,503.32

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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.