Home / 1,429,649.33-1,972,938.67-776,274.98

Finding the Fourth Proportional to 1,429,649.33, 1,972,938.67 and 776,274.98

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Solution

The fourth proportional to 1,429,649.33, 1,972,938.67 and 776,274.98 is: 1,071,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,649.33 : 1,972,938.67 = 776,274.98 : x
  2. Step 2: Convert to fraction form
    1,429,649.33/1,972,938.67 = 776,274.98/x
  3. Step 3: Cross multiply
    1,429,649.33x = 1,972,938.67 × 776,274.98
  4. Step 4: Simplify right side
    1,429,649.33x = 1,531,542,914,790.10
  5. Step 5: Solve for x
    x = 1,531,542,914,790.10/1,429,649.33
  6. Step 6: Final answer
    x = 1,071,271.74

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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.