Home / 1,120,970.90-1,681,737.93-322,253.90

Finding the Fourth Proportional to 1,120,970.90, 1,681,737.93 and 322,253.90

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Solution

The fourth proportional to 1,120,970.90, 1,681,737.93 and 322,253.90 is: 483,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,970.90 : 1,681,737.93 = 322,253.90 : x
  2. Step 2: Convert to fraction form
    1,120,970.90/1,681,737.93 = 322,253.90/x
  3. Step 3: Cross multiply
    1,120,970.90x = 1,681,737.93 × 322,253.90
  4. Step 4: Simplify right side
    1,120,970.90x = 541,946,606,720.43
  5. Step 5: Solve for x
    x = 541,946,606,720.43/1,120,970.90
  6. Step 6: Final answer
    x = 483,461.80

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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.