Home / 1,048,205.80-1,572,308.70-782,485.30

Finding the Fourth Proportional to 1,048,205.80, 1,572,308.70 and 782,485.30

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Solution

The fourth proportional to 1,048,205.80, 1,572,308.70 and 782,485.30 is: 1,173,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,205.80 : 1,572,308.70 = 782,485.30 : x
  2. Step 2: Convert to fraction form
    1,048,205.80/1,572,308.70 = 782,485.30/x
  3. Step 3: Cross multiply
    1,048,205.80x = 1,572,308.70 × 782,485.30
  4. Step 4: Simplify right side
    1,048,205.80x = 1,230,308,444,812.11
  5. Step 5: Solve for x
    x = 1,230,308,444,812.11/1,048,205.80
  6. Step 6: Final answer
    x = 1,173,727.95

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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.