Home / 1,688,165.49-2,328,796.57-1,144,115.22

Finding the Fourth Proportional to 1,688,165.49, 2,328,796.57 and 1,144,115.22

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Solution

The fourth proportional to 1,688,165.49, 2,328,796.57 and 1,144,115.22 is: 1,578,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,165.49 : 2,328,796.57 = 1,144,115.22 : x
  2. Step 2: Convert to fraction form
    1,688,165.49/2,328,796.57 = 1,144,115.22/x
  3. Step 3: Cross multiply
    1,688,165.49x = 2,328,796.57 × 1,144,115.22
  4. Step 4: Simplify right side
    1,688,165.49x = 2,664,411,600,020.80
  5. Step 5: Solve for x
    x = 2,664,411,600,020.80/1,688,165.49
  6. Step 6: Final answer
    x = 1,578,288.16

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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.