Home / 1,118,372.40-1,676,246.40-478,674.90

Finding the Fourth Proportional to 1,118,372.40, 1,676,246.40 and 478,674.90

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Solution

The fourth proportional to 1,118,372.40, 1,676,246.40 and 478,674.90 is: 717,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,372.40 : 1,676,246.40 = 478,674.90 : x
  2. Step 2: Convert to fraction form
    1,118,372.40/1,676,246.40 = 478,674.90/x
  3. Step 3: Cross multiply
    1,118,372.40x = 1,676,246.40 × 478,674.90
  4. Step 4: Simplify right side
    1,118,372.40x = 802,377,077,895.36
  5. Step 5: Solve for x
    x = 802,377,077,895.36/1,118,372.40
  6. Step 6: Final answer
    x = 717,450.71

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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.