Home / 1,029,855.41-1,544,571.94-389,938.40

Finding the Fourth Proportional to 1,029,855.41, 1,544,571.94 and 389,938.40

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Solution

The fourth proportional to 1,029,855.41, 1,544,571.94 and 389,938.40 is: 584,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,855.41 : 1,544,571.94 = 389,938.40 : x
  2. Step 2: Convert to fraction form
    1,029,855.41/1,544,571.94 = 389,938.40/x
  3. Step 3: Cross multiply
    1,029,855.41x = 1,544,571.94 × 389,938.40
  4. Step 4: Simplify right side
    1,029,855.41x = 602,287,917,482.29
  5. Step 5: Solve for x
    x = 602,287,917,482.29/1,029,855.41
  6. Step 6: Final answer
    x = 584,827.65

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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.