Home / 1,603,463.40-2,212,815.06-915,121.50

Finding the Fourth Proportional to 1,603,463.40, 2,212,815.06 and 915,121.50

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Solution

The fourth proportional to 1,603,463.40, 2,212,815.06 and 915,121.50 is: 1,262,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,463.40 : 2,212,815.06 = 915,121.50 : x
  2. Step 2: Convert to fraction form
    1,603,463.40/2,212,815.06 = 915,121.50/x
  3. Step 3: Cross multiply
    1,603,463.40x = 2,212,815.06 × 915,121.50
  4. Step 4: Simplify right side
    1,603,463.40x = 2,024,994,636,929.79
  5. Step 5: Solve for x
    x = 2,024,994,636,929.79/1,603,463.40
  6. Step 6: Final answer
    x = 1,262,887.97

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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.