Home / 1,056,005.10-1,584,007.65-869,381.10

Finding the Fourth Proportional to 1,056,005.10, 1,584,007.65 and 869,381.10

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Solution

The fourth proportional to 1,056,005.10, 1,584,007.65 and 869,381.10 is: 1,304,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,005.10 : 1,584,007.65 = 869,381.10 : x
  2. Step 2: Convert to fraction form
    1,056,005.10/1,584,007.65 = 869,381.10/x
  3. Step 3: Cross multiply
    1,056,005.10x = 1,584,007.65 × 869,381.10
  4. Step 4: Simplify right side
    1,056,005.10x = 1,377,106,313,165.41
  5. Step 5: Solve for x
    x = 1,377,106,313,165.41/1,056,005.10
  6. Step 6: Final answer
    x = 1,304,071.65

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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.