Home / 1,539,670.52-2,124,732.52-851,372.40

Finding the Fourth Proportional to 1,539,670.52, 2,124,732.52 and 851,372.40

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Solution

The fourth proportional to 1,539,670.52, 2,124,732.52 and 851,372.40 is: 1,174,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,670.52 : 2,124,732.52 = 851,372.40 : x
  2. Step 2: Convert to fraction form
    1,539,670.52/2,124,732.52 = 851,372.40/x
  3. Step 3: Cross multiply
    1,539,670.52x = 2,124,732.52 × 851,372.40
  4. Step 4: Simplify right side
    1,539,670.52x = 1,808,938,624,910.45
  5. Step 5: Solve for x
    x = 1,808,938,624,910.45/1,539,670.52
  6. Step 6: Final answer
    x = 1,174,886.84

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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.