Home / 1,090,076.25-1,502,746.20-766,782.93

Finding the Fourth Proportional to 1,090,076.25, 1,502,746.20 and 766,782.93

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Solution

The fourth proportional to 1,090,076.25, 1,502,746.20 and 766,782.93 is: 1,057,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,076.25 : 1,502,746.20 = 766,782.93 : x
  2. Step 2: Convert to fraction form
    1,090,076.25/1,502,746.20 = 766,782.93/x
  3. Step 3: Cross multiply
    1,090,076.25x = 1,502,746.20 × 766,782.93
  4. Step 4: Simplify right side
    1,090,076.25x = 1,152,280,134,282.37
  5. Step 5: Solve for x
    x = 1,152,280,134,282.37/1,090,076.25
  6. Step 6: Final answer
    x = 1,057,063.79

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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.