Home / 1,875,328.96-2,812,954.56-455,392.48

Finding the Fourth Proportional to 1,875,328.96, 2,812,954.56 and 455,392.48

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Solution

The fourth proportional to 1,875,328.96, 2,812,954.56 and 455,392.48 is: 683,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,328.96 : 2,812,954.56 = 455,392.48 : x
  2. Step 2: Convert to fraction form
    1,875,328.96/2,812,954.56 = 455,392.48/x
  3. Step 3: Cross multiply
    1,875,328.96x = 2,812,954.56 × 455,392.48
  4. Step 4: Simplify right side
    1,875,328.96x = 1,280,998,353,205.71
  5. Step 5: Solve for x
    x = 1,280,998,353,205.71/1,875,328.96
  6. Step 6: Final answer
    x = 683,079.28

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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.