Home / 1,125,384.54-1,688,079.60-283,936.32

Finding the Fourth Proportional to 1,125,384.54, 1,688,079.60 and 283,936.32

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Solution

The fourth proportional to 1,125,384.54, 1,688,079.60 and 283,936.32 is: 425,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,384.54 : 1,688,079.60 = 283,936.32 : x
  2. Step 2: Convert to fraction form
    1,125,384.54/1,688,079.60 = 283,936.32/x
  3. Step 3: Cross multiply
    1,125,384.54x = 1,688,079.60 × 283,936.32
  4. Step 4: Simplify right side
    1,125,384.54x = 479,307,109,491.07
  5. Step 5: Solve for x
    x = 479,307,109,491.07/1,125,384.54
  6. Step 6: Final answer
    x = 425,905.18

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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.