Home / 1,202,684.40-1,658,374.50-766,410.65

Finding the Fourth Proportional to 1,202,684.40, 1,658,374.50 and 766,410.65

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Solution

The fourth proportional to 1,202,684.40, 1,658,374.50 and 766,410.65 is: 1,056,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,684.40 : 1,658,374.50 = 766,410.65 : x
  2. Step 2: Convert to fraction form
    1,202,684.40/1,658,374.50 = 766,410.65/x
  3. Step 3: Cross multiply
    1,202,684.40x = 1,658,374.50 × 766,410.65
  4. Step 4: Simplify right side
    1,202,684.40x = 1,270,995,879,289.50
  5. Step 5: Solve for x
    x = 1,270,995,879,289.50/1,202,684.40
  6. Step 6: Final answer
    x = 1,056,799.17

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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.