Home / 1,384,005.29-2,075,768.54-625,670.39

Finding the Fourth Proportional to 1,384,005.29, 2,075,768.54 and 625,670.39

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Solution

The fourth proportional to 1,384,005.29, 2,075,768.54 and 625,670.39 is: 938,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,005.29 : 2,075,768.54 = 625,670.39 : x
  2. Step 2: Convert to fraction form
    1,384,005.29/2,075,768.54 = 625,670.39/x
  3. Step 3: Cross multiply
    1,384,005.29x = 2,075,768.54 × 625,670.39
  4. Step 4: Simplify right side
    1,384,005.29x = 1,298,746,916,378.86
  5. Step 5: Solve for x
    x = 1,298,746,916,378.86/1,384,005.29
  6. Step 6: Final answer
    x = 938,397.37

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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.