Home / 1,487,385.84-2,052,608.40-808,322.40

Finding the Fourth Proportional to 1,487,385.84, 2,052,608.40 and 808,322.40

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Solution

The fourth proportional to 1,487,385.84, 2,052,608.40 and 808,322.40 is: 1,115,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,385.84 : 2,052,608.40 = 808,322.40 : x
  2. Step 2: Convert to fraction form
    1,487,385.84/2,052,608.40 = 808,322.40/x
  3. Step 3: Cross multiply
    1,487,385.84x = 2,052,608.40 × 808,322.40
  4. Step 4: Simplify right side
    1,487,385.84x = 1,659,169,348,148.16
  5. Step 5: Solve for x
    x = 1,659,169,348,148.16/1,487,385.84
  6. Step 6: Final answer
    x = 1,115,493.58

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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.