Home / 1,029,896.17-1,421,256.17-571,009.50

Finding the Fourth Proportional to 1,029,896.17, 1,421,256.17 and 571,009.50

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Solution

The fourth proportional to 1,029,896.17, 1,421,256.17 and 571,009.50 is: 787,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,896.17 : 1,421,256.17 = 571,009.50 : x
  2. Step 2: Convert to fraction form
    1,029,896.17/1,421,256.17 = 571,009.50/x
  3. Step 3: Cross multiply
    1,029,896.17x = 1,421,256.17 × 571,009.50
  4. Step 4: Simplify right side
    1,029,896.17x = 811,550,776,431.14
  5. Step 5: Solve for x
    x = 811,550,776,431.14/1,029,896.17
  6. Step 6: Final answer
    x = 787,992.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.