Home / 1,429,715.55-1,974,730.82-1,140,331.71

Finding the Fourth Proportional to 1,429,715.55, 1,974,730.82 and 1,140,331.71

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Solution

The fourth proportional to 1,429,715.55, 1,974,730.82 and 1,140,331.71 is: 1,575,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,715.55 : 1,974,730.82 = 1,140,331.71 : x
  2. Step 2: Convert to fraction form
    1,429,715.55/1,974,730.82 = 1,140,331.71/x
  3. Step 3: Cross multiply
    1,429,715.55x = 1,974,730.82 × 1,140,331.71
  4. Step 4: Simplify right side
    1,429,715.55x = 2,251,848,167,058.64
  5. Step 5: Solve for x
    x = 2,251,848,167,058.64/1,429,715.55
  6. Step 6: Final answer
    x = 1,575,032.30

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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.