Home / 1,247,285.84-1,871,038.20-348,737.36

Finding the Fourth Proportional to 1,247,285.84, 1,871,038.20 and 348,737.36

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Solution

The fourth proportional to 1,247,285.84, 1,871,038.20 and 348,737.36 is: 523,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,285.84 : 1,871,038.20 = 348,737.36 : x
  2. Step 2: Convert to fraction form
    1,247,285.84/1,871,038.20 = 348,737.36/x
  3. Step 3: Cross multiply
    1,247,285.84x = 1,871,038.20 × 348,737.36
  4. Step 4: Simplify right side
    1,247,285.84x = 652,500,922,327.15
  5. Step 5: Solve for x
    x = 652,500,922,327.15/1,247,285.84
  6. Step 6: Final answer
    x = 523,136.64

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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.