Home / 1,267,451.79-1,748,429.24-859,415.55

Finding the Fourth Proportional to 1,267,451.79, 1,748,429.24 and 859,415.55

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Solution

The fourth proportional to 1,267,451.79, 1,748,429.24 and 859,415.55 is: 1,185,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,451.79 : 1,748,429.24 = 859,415.55 : x
  2. Step 2: Convert to fraction form
    1,267,451.79/1,748,429.24 = 859,415.55/x
  3. Step 3: Cross multiply
    1,267,451.79x = 1,748,429.24 × 859,415.55
  4. Step 4: Simplify right side
    1,267,451.79x = 1,502,627,272,633.60
  5. Step 5: Solve for x
    x = 1,502,627,272,633.60/1,267,451.79
  6. Step 6: Final answer
    x = 1,185,549.84

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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.