Home / 1,361,326.20-1,877,237.69-902,281.38

Finding the Fourth Proportional to 1,361,326.20, 1,877,237.69 and 902,281.38

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Solution

The fourth proportional to 1,361,326.20, 1,877,237.69 and 902,281.38 is: 1,244,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,326.20 : 1,877,237.69 = 902,281.38 : x
  2. Step 2: Convert to fraction form
    1,361,326.20/1,877,237.69 = 902,281.38/x
  3. Step 3: Cross multiply
    1,361,326.20x = 1,877,237.69 × 902,281.38
  4. Step 4: Simplify right side
    1,361,326.20x = 1,693,796,609,009.81
  5. Step 5: Solve for x
    x = 1,693,796,609,009.81/1,361,326.20
  6. Step 6: Final answer
    x = 1,244,225.38

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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.