Home / 1,650,790.40-2,277,918.72-971,686.40

Finding the Fourth Proportional to 1,650,790.40, 2,277,918.72 and 971,686.40

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Solution

The fourth proportional to 1,650,790.40, 2,277,918.72 and 971,686.40 is: 1,340,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,790.40 : 2,277,918.72 = 971,686.40 : x
  2. Step 2: Convert to fraction form
    1,650,790.40/2,277,918.72 = 971,686.40/x
  3. Step 3: Cross multiply
    1,650,790.40x = 2,277,918.72 × 971,686.40
  4. Step 4: Simplify right side
    1,650,790.40x = 2,213,422,640,529.41
  5. Step 5: Solve for x
    x = 2,213,422,640,529.41/1,650,790.40
  6. Step 6: Final answer
    x = 1,340,825.97

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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.