Home / 1,048,208.80-1,572,313.20-712,285.60

Finding the Fourth Proportional to 1,048,208.80, 1,572,313.20 and 712,285.60

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Solution

The fourth proportional to 1,048,208.80, 1,572,313.20 and 712,285.60 is: 1,068,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,208.80 : 1,572,313.20 = 712,285.60 : x
  2. Step 2: Convert to fraction form
    1,048,208.80/1,572,313.20 = 712,285.60/x
  3. Step 3: Cross multiply
    1,048,208.80x = 1,572,313.20 × 712,285.60
  4. Step 4: Simplify right side
    1,048,208.80x = 1,119,936,051,049.92
  5. Step 5: Solve for x
    x = 1,119,936,051,049.92/1,048,208.80
  6. Step 6: Final answer
    x = 1,068,428.40

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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.