Home / 1,125,361.69-1,688,045.27-283,913.44

Finding the Fourth Proportional to 1,125,361.69, 1,688,045.27 and 283,913.44

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Solution

The fourth proportional to 1,125,361.69, 1,688,045.27 and 283,913.44 is: 425,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,361.69 : 1,688,045.27 = 283,913.44 : x
  2. Step 2: Convert to fraction form
    1,125,361.69/1,688,045.27 = 283,913.44/x
  3. Step 3: Cross multiply
    1,125,361.69x = 1,688,045.27 × 283,913.44
  4. Step 4: Simplify right side
    1,125,361.69x = 479,258,733,841.75
  5. Step 5: Solve for x
    x = 479,258,733,841.75/1,125,361.69
  6. Step 6: Final answer
    x = 425,870.85

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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.