Home / 1,551,347.87-2,139,985.29-930,994.38

Finding the Fourth Proportional to 1,551,347.87, 2,139,985.29 and 930,994.38

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Solution

The fourth proportional to 1,551,347.87, 2,139,985.29 and 930,994.38 is: 1,284,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,347.87 : 2,139,985.29 = 930,994.38 : x
  2. Step 2: Convert to fraction form
    1,551,347.87/2,139,985.29 = 930,994.38/x
  3. Step 3: Cross multiply
    1,551,347.87x = 2,139,985.29 × 930,994.38
  4. Step 4: Simplify right side
    1,551,347.87x = 1,992,314,278,272.67
  5. Step 5: Solve for x
    x = 1,992,314,278,272.67/1,551,347.87
  6. Step 6: Final answer
    x = 1,284,247.28

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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.