Home / 1,510,602.90-2,084,678.96-822,320.60

Finding the Fourth Proportional to 1,510,602.90, 2,084,678.96 and 822,320.60

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Solution

The fourth proportional to 1,510,602.90, 2,084,678.96 and 822,320.60 is: 1,134,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,602.90 : 2,084,678.96 = 822,320.60 : x
  2. Step 2: Convert to fraction form
    1,510,602.90/2,084,678.96 = 822,320.60/x
  3. Step 3: Cross multiply
    1,510,602.90x = 2,084,678.96 × 822,320.60
  4. Step 4: Simplify right side
    1,510,602.90x = 1,714,274,438,659.58
  5. Step 5: Solve for x
    x = 1,714,274,438,659.58/1,510,602.90
  6. Step 6: Final answer
    x = 1,134,827.98

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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.