Home / 1,875,325.96-2,812,950.06-455,389.48

Finding the Fourth Proportional to 1,875,325.96, 2,812,950.06 and 455,389.48

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Solution

The fourth proportional to 1,875,325.96, 2,812,950.06 and 455,389.48 is: 683,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,325.96 : 2,812,950.06 = 455,389.48 : x
  2. Step 2: Convert to fraction form
    1,875,325.96/2,812,950.06 = 455,389.48/x
  3. Step 3: Cross multiply
    1,875,325.96x = 2,812,950.06 × 455,389.48
  4. Step 4: Simplify right side
    1,875,325.96x = 1,280,987,865,089.37
  5. Step 5: Solve for x
    x = 1,280,987,865,089.37/1,875,325.96
  6. Step 6: Final answer
    x = 683,074.78

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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.