Home / 1,137,860.01-1,707,039.45-427,887.81

Finding the Fourth Proportional to 1,137,860.01, 1,707,039.45 and 427,887.81

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Solution

The fourth proportional to 1,137,860.01, 1,707,039.45 and 427,887.81 is: 641,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,860.01 : 1,707,039.45 = 427,887.81 : x
  2. Step 2: Convert to fraction form
    1,137,860.01/1,707,039.45 = 427,887.81/x
  3. Step 3: Cross multiply
    1,137,860.01x = 1,707,039.45 × 427,887.81
  4. Step 4: Simplify right side
    1,137,860.01x = 730,421,371,844.11
  5. Step 5: Solve for x
    x = 730,421,371,844.11/1,137,860.01
  6. Step 6: Final answer
    x = 641,925.51

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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.