Home / 1,681,692.64-2,320,735.19-917,746.20

Finding the Fourth Proportional to 1,681,692.64, 2,320,735.19 and 917,746.20

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Solution

The fourth proportional to 1,681,692.64, 2,320,735.19 and 917,746.20 is: 1,266,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,692.64 : 2,320,735.19 = 917,746.20 : x
  2. Step 2: Convert to fraction form
    1,681,692.64/2,320,735.19 = 917,746.20/x
  3. Step 3: Cross multiply
    1,681,692.64x = 2,320,735.19 × 917,746.20
  4. Step 4: Simplify right side
    1,681,692.64x = 2,129,845,897,240.05
  5. Step 5: Solve for x
    x = 2,129,845,897,240.05/1,681,692.64
  6. Step 6: Final answer
    x = 1,266,489.40

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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.