Home / 1,137,607-1,569,897.66-628,342.18

Finding the Fourth Proportional to 1,137,607, 1,569,897.66 and 628,342.18

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Solution

The fourth proportional to 1,137,607, 1,569,897.66 and 628,342.18 is: 867,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,607 : 1,569,897.66 = 628,342.18 : x
  2. Step 2: Convert to fraction form
    1,137,607/1,569,897.66 = 628,342.18/x
  3. Step 3: Cross multiply
    1,137,607x = 1,569,897.66 × 628,342.18
  4. Step 4: Simplify right side
    1,137,607x = 986,432,918,061.30
  5. Step 5: Solve for x
    x = 986,432,918,061.30/1,137,607
  6. Step 6: Final answer
    x = 867,112.21

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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.