Home / 1,318,088.43-1,977,132.78-476,443.35

Finding the Fourth Proportional to 1,318,088.43, 1,977,132.78 and 476,443.35

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Solution

The fourth proportional to 1,318,088.43, 1,977,132.78 and 476,443.35 is: 714,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,088.43 : 1,977,132.78 = 476,443.35 : x
  2. Step 2: Convert to fraction form
    1,318,088.43/1,977,132.78 = 476,443.35/x
  3. Step 3: Cross multiply
    1,318,088.43x = 1,977,132.78 × 476,443.35
  4. Step 4: Simplify right side
    1,318,088.43x = 941,991,765,098.01
  5. Step 5: Solve for x
    x = 941,991,765,098.01/1,318,088.43
  6. Step 6: Final answer
    x = 714,665.07

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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.