Home / 1,671,839.74-2,307,845.05-1,128,711.16

Finding the Fourth Proportional to 1,671,839.74, 2,307,845.05 and 1,128,711.16

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Solution

The fourth proportional to 1,671,839.74, 2,307,845.05 and 1,128,711.16 is: 1,558,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,839.74 : 2,307,845.05 = 1,128,711.16 : x
  2. Step 2: Convert to fraction form
    1,671,839.74/2,307,845.05 = 1,128,711.16/x
  3. Step 3: Cross multiply
    1,671,839.74x = 2,307,845.05 × 1,128,711.16
  4. Step 4: Simplify right side
    1,671,839.74x = 2,604,890,463,485.76
  5. Step 5: Solve for x
    x = 2,604,890,463,485.76/1,671,839.74
  6. Step 6: Final answer
    x = 1,558,098.18

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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.