Home / 1,459,207.61-2,190,139.64-776,667.48

Finding the Fourth Proportional to 1,459,207.61, 2,190,139.64 and 776,667.48

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Solution

The fourth proportional to 1,459,207.61, 2,190,139.64 and 776,667.48 is: 1,165,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,207.61 : 2,190,139.64 = 776,667.48 : x
  2. Step 2: Convert to fraction form
    1,459,207.61/2,190,139.64 = 776,667.48/x
  3. Step 3: Cross multiply
    1,459,207.61x = 2,190,139.64 × 776,667.48
  4. Step 4: Simplify right side
    1,459,207.61x = 1,701,010,235,046.91
  5. Step 5: Solve for x
    x = 1,701,010,235,046.91/1,459,207.61
  6. Step 6: Final answer
    x = 1,165,708.17

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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.