Home / 1,567,721.25-2,163,478.32-879,545.25

Finding the Fourth Proportional to 1,567,721.25, 2,163,478.32 and 879,545.25

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Solution

The fourth proportional to 1,567,721.25, 2,163,478.32 and 879,545.25 is: 1,213,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,721.25 : 2,163,478.32 = 879,545.25 : x
  2. Step 2: Convert to fraction form
    1,567,721.25/2,163,478.32 = 879,545.25/x
  3. Step 3: Cross multiply
    1,567,721.25x = 2,163,478.32 × 879,545.25
  4. Step 4: Simplify right side
    1,567,721.25x = 1,902,877,083,043.81
  5. Step 5: Solve for x
    x = 1,902,877,083,043.81/1,567,721.25
  6. Step 6: Final answer
    x = 1,213,785.35

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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.