Home / 1,352,657.49-1,866,667.33-740,811.70

Finding the Fourth Proportional to 1,352,657.49, 1,866,667.33 and 740,811.70

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Solution

The fourth proportional to 1,352,657.49, 1,866,667.33 and 740,811.70 is: 1,022,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,657.49 : 1,866,667.33 = 740,811.70 : x
  2. Step 2: Convert to fraction form
    1,352,657.49/1,866,667.33 = 740,811.70/x
  3. Step 3: Cross multiply
    1,352,657.49x = 1,866,667.33 × 740,811.70
  4. Step 4: Simplify right side
    1,352,657.49x = 1,382,848,998,071.76
  5. Step 5: Solve for x
    x = 1,382,848,998,071.76/1,352,657.49
  6. Step 6: Final answer
    x = 1,022,320.14

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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.