Home / 1,048,328.79-1,571,562.30-408,484.31

Finding the Fourth Proportional to 1,048,328.79, 1,571,562.30 and 408,484.31

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Solution

The fourth proportional to 1,048,328.79, 1,571,562.30 and 408,484.31 is: 612,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,328.79 : 1,571,562.30 = 408,484.31 : x
  2. Step 2: Convert to fraction form
    1,048,328.79/1,571,562.30 = 408,484.31/x
  3. Step 3: Cross multiply
    1,048,328.79x = 1,571,562.30 × 408,484.31
  4. Step 4: Simplify right side
    1,048,328.79x = 641,958,541,737.51
  5. Step 5: Solve for x
    x = 641,958,541,737.51/1,048,328.79
  6. Step 6: Final answer
    x = 612,363.74

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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.