Home / 1,310,897.66-1,966,577.00-542,393.15

Finding the Fourth Proportional to 1,310,897.66, 1,966,577.00 and 542,393.15

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Solution

The fourth proportional to 1,310,897.66, 1,966,577.00 and 542,393.15 is: 813,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,897.66 : 1,966,577.00 = 542,393.15 : x
  2. Step 2: Convert to fraction form
    1,310,897.66/1,966,577.00 = 542,393.15/x
  3. Step 3: Cross multiply
    1,310,897.66x = 1,966,577.00 × 542,393.15
  4. Step 4: Simplify right side
    1,310,897.66x = 1,066,657,881,202.70
  5. Step 5: Solve for x
    x = 1,066,657,881,202.70/1,310,897.66
  6. Step 6: Final answer
    x = 813,685.09

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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.