Home / 1,283,838.74-1,771,675.81-710,866.61

Finding the Fourth Proportional to 1,283,838.74, 1,771,675.81 and 710,866.61

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Solution

The fourth proportional to 1,283,838.74, 1,771,675.81 and 710,866.61 is: 980,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,838.74 : 1,771,675.81 = 710,866.61 : x
  2. Step 2: Convert to fraction form
    1,283,838.74/1,771,675.81 = 710,866.61/x
  3. Step 3: Cross multiply
    1,283,838.74x = 1,771,675.81 × 710,866.61
  4. Step 4: Simplify right side
    1,283,838.74x = 1,259,425,183,047.62
  5. Step 5: Solve for x
    x = 1,259,425,183,047.62/1,283,838.74
  6. Step 6: Final answer
    x = 980,983.93

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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.