Home / 1,225,541.47-1,838,361.66-426,903.79

Finding the Fourth Proportional to 1,225,541.47, 1,838,361.66 and 426,903.79

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Solution

The fourth proportional to 1,225,541.47, 1,838,361.66 and 426,903.79 is: 640,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,541.47 : 1,838,361.66 = 426,903.79 : x
  2. Step 2: Convert to fraction form
    1,225,541.47/1,838,361.66 = 426,903.79/x
  3. Step 3: Cross multiply
    1,225,541.47x = 1,838,361.66 × 426,903.79
  4. Step 4: Simplify right side
    1,225,541.47x = 784,803,560,044.69
  5. Step 5: Solve for x
    x = 784,803,560,044.69/1,225,541.47
  6. Step 6: Final answer
    x = 640,372.91

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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.