Home / 1,088,132.69-1,500,040.51-760,428.28

Finding the Fourth Proportional to 1,088,132.69, 1,500,040.51 and 760,428.28

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Solution

The fourth proportional to 1,088,132.69, 1,500,040.51 and 760,428.28 is: 1,048,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,132.69 : 1,500,040.51 = 760,428.28 : x
  2. Step 2: Convert to fraction form
    1,088,132.69/1,500,040.51 = 760,428.28/x
  3. Step 3: Cross multiply
    1,088,132.69x = 1,500,040.51 × 760,428.28
  4. Step 4: Simplify right side
    1,088,132.69x = 1,140,673,219,298.45
  5. Step 5: Solve for x
    x = 1,140,673,219,298.45/1,088,132.69
  6. Step 6: Final answer
    x = 1,048,285.04

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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.