Home / 1,539,753.40-2,124,774.48-851,385.16

Finding the Fourth Proportional to 1,539,753.40, 2,124,774.48 and 851,385.16

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Solution

The fourth proportional to 1,539,753.40, 2,124,774.48 and 851,385.16 is: 1,174,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,753.40 : 2,124,774.48 = 851,385.16 : x
  2. Step 2: Convert to fraction form
    1,539,753.40/2,124,774.48 = 851,385.16/x
  3. Step 3: Cross multiply
    1,539,753.40x = 2,124,774.48 × 851,385.16
  4. Step 4: Simplify right side
    1,539,753.40x = 1,809,001,460,618.72
  5. Step 5: Solve for x
    x = 1,809,001,460,618.72/1,539,753.40
  6. Step 6: Final answer
    x = 1,174,864.40

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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.