Home / 1,078,763.60-1,617,562.20-447,741.20

Finding the Fourth Proportional to 1,078,763.60, 1,617,562.20 and 447,741.20

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Solution

The fourth proportional to 1,078,763.60, 1,617,562.20 and 447,741.20 is: 671,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,763.60 : 1,617,562.20 = 447,741.20 : x
  2. Step 2: Convert to fraction form
    1,078,763.60/1,617,562.20 = 447,741.20/x
  3. Step 3: Cross multiply
    1,078,763.60x = 1,617,562.20 × 447,741.20
  4. Step 4: Simplify right side
    1,078,763.60x = 724,249,240,502.64
  5. Step 5: Solve for x
    x = 724,249,240,502.64/1,078,763.60
  6. Step 6: Final answer
    x = 671,369.74

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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.