Home / 1,856,455.80-2,561,415.12-1,071,322.80

Finding the Fourth Proportional to 1,856,455.80, 2,561,415.12 and 1,071,322.80

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Solution

The fourth proportional to 1,856,455.80, 2,561,415.12 and 1,071,322.80 is: 1,478,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,455.80 : 2,561,415.12 = 1,071,322.80 : x
  2. Step 2: Convert to fraction form
    1,856,455.80/2,561,415.12 = 1,071,322.80/x
  3. Step 3: Cross multiply
    1,856,455.80x = 2,561,415.12 × 1,071,322.80
  4. Step 4: Simplify right side
    1,856,455.80x = 2,744,102,418,320.74
  5. Step 5: Solve for x
    x = 2,744,102,418,320.74/1,856,455.80
  6. Step 6: Final answer
    x = 1,478,140.45

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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.