Home / 1,388,966-2,083,657-502,709.36

Finding the Fourth Proportional to 1,388,966, 2,083,657 and 502,709.36

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Solution

The fourth proportional to 1,388,966, 2,083,657 and 502,709.36 is: 754,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,966 : 2,083,657 = 502,709.36 : x
  2. Step 2: Convert to fraction form
    1,388,966/2,083,657 = 502,709.36/x
  3. Step 3: Cross multiply
    1,388,966x = 2,083,657 × 502,709.36
  4. Step 4: Simplify right side
    1,388,966x = 1,047,473,876,929.52
  5. Step 5: Solve for x
    x = 1,047,473,876,929.52/1,388,966
  6. Step 6: Final answer
    x = 754,139.32

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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.