Home / 1,310,893.64-1,966,571.00-542,389.13

Finding the Fourth Proportional to 1,310,893.64, 1,966,571.00 and 542,389.13

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Solution

The fourth proportional to 1,310,893.64, 1,966,571.00 and 542,389.13 is: 813,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,893.64 : 1,966,571.00 = 542,389.13 : x
  2. Step 2: Convert to fraction form
    1,310,893.64/1,966,571.00 = 542,389.13/x
  3. Step 3: Cross multiply
    1,310,893.64x = 1,966,571.00 × 542,389.13
  4. Step 4: Simplify right side
    1,310,893.64x = 1,066,646,721,228.43
  5. Step 5: Solve for x
    x = 1,066,646,721,228.43/1,310,893.64
  6. Step 6: Final answer
    x = 813,679.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.