Home / 1,371,967.20-2,057,950.80-425,433.60

Finding the Fourth Proportional to 1,371,967.20, 2,057,950.80 and 425,433.60

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Solution

The fourth proportional to 1,371,967.20, 2,057,950.80 and 425,433.60 is: 638,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,967.20 : 2,057,950.80 = 425,433.60 : x
  2. Step 2: Convert to fraction form
    1,371,967.20/2,057,950.80 = 425,433.60/x
  3. Step 3: Cross multiply
    1,371,967.20x = 2,057,950.80 × 425,433.60
  4. Step 4: Simplify right side
    1,371,967.20x = 875,521,417,466.88
  5. Step 5: Solve for x
    x = 875,521,417,466.88/1,371,967.20
  6. Step 6: Final answer
    x = 638,150.40

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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.