Home / 1,438,610-1,985,281.80-802,706

Finding the Fourth Proportional to 1,438,610, 1,985,281.80 and 802,706

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Solution

The fourth proportional to 1,438,610, 1,985,281.80 and 802,706 is: 1,107,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,610 : 1,985,281.80 = 802,706 : x
  2. Step 2: Convert to fraction form
    1,438,610/1,985,281.80 = 802,706/x
  3. Step 3: Cross multiply
    1,438,610x = 1,985,281.80 × 802,706
  4. Step 4: Simplify right side
    1,438,610x = 1,593,597,612,550.80
  5. Step 5: Solve for x
    x = 1,593,597,612,550.80/1,438,610
  6. Step 6: Final answer
    x = 1,107,734.28

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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.