Home / 1,238,726.79-1,858,274.87-439,941.24

Finding the Fourth Proportional to 1,238,726.79, 1,858,274.87 and 439,941.24

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Solution

The fourth proportional to 1,238,726.79, 1,858,274.87 and 439,941.24 is: 659,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,726.79 : 1,858,274.87 = 439,941.24 : x
  2. Step 2: Convert to fraction form
    1,238,726.79/1,858,274.87 = 439,941.24/x
  3. Step 3: Cross multiply
    1,238,726.79x = 1,858,274.87 × 439,941.24
  4. Step 4: Simplify right side
    1,238,726.79x = 817,531,748,368.93
  5. Step 5: Solve for x
    x = 817,531,748,368.93/1,238,726.79
  6. Step 6: Final answer
    x = 659,977.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.