Home / 1,657,689.84-2,483,242.56-1,277,290.80

Finding the Fourth Proportional to 1,657,689.84, 2,483,242.56 and 1,277,290.80

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Solution

The fourth proportional to 1,657,689.84, 2,483,242.56 and 1,277,290.80 is: 1,913,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,689.84 : 2,483,242.56 = 1,277,290.80 : x
  2. Step 2: Convert to fraction form
    1,657,689.84/2,483,242.56 = 1,277,290.80/x
  3. Step 3: Cross multiply
    1,657,689.84x = 2,483,242.56 × 1,277,290.80
  4. Step 4: Simplify right side
    1,657,689.84x = 3,171,822,876,056.45
  5. Step 5: Solve for x
    x = 3,171,822,876,056.45/1,657,689.84
  6. Step 6: Final answer
    x = 1,913,399.48

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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.