Home / 1,018,744.11-1,528,166.93-387,706.83

Finding the Fourth Proportional to 1,018,744.11, 1,528,166.93 and 387,706.83

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Solution

The fourth proportional to 1,018,744.11, 1,528,166.93 and 387,706.83 is: 581,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,744.11 : 1,528,166.93 = 387,706.83 : x
  2. Step 2: Convert to fraction form
    1,018,744.11/1,528,166.93 = 387,706.83/x
  3. Step 3: Cross multiply
    1,018,744.11x = 1,528,166.93 × 387,706.83
  4. Step 4: Simplify right side
    1,018,744.11x = 592,480,754,202.60
  5. Step 5: Solve for x
    x = 592,480,754,202.60/1,018,744.11
  6. Step 6: Final answer
    x = 581,579.56

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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.