Home / 1,521,510.45-2,282,569.83-561,971.49

Finding the Fourth Proportional to 1,521,510.45, 2,282,569.83 and 561,971.49

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Solution

The fourth proportional to 1,521,510.45, 2,282,569.83 and 561,971.49 is: 843,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,510.45 : 2,282,569.83 = 561,971.49 : x
  2. Step 2: Convert to fraction form
    1,521,510.45/2,282,569.83 = 561,971.49/x
  3. Step 3: Cross multiply
    1,521,510.45x = 2,282,569.83 × 561,971.49
  4. Step 4: Simplify right side
    1,521,510.45x = 1,282,739,168,394.15
  5. Step 5: Solve for x
    x = 1,282,739,168,394.15/1,521,510.45
  6. Step 6: Final answer
    x = 843,069.57

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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.