Home / 1,110,045.80-1,664,339.70-435,720.80

Finding the Fourth Proportional to 1,110,045.80, 1,664,339.70 and 435,720.80

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Solution

The fourth proportional to 1,110,045.80, 1,664,339.70 and 435,720.80 is: 653,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,045.80 : 1,664,339.70 = 435,720.80 : x
  2. Step 2: Convert to fraction form
    1,110,045.80/1,664,339.70 = 435,720.80/x
  3. Step 3: Cross multiply
    1,110,045.80x = 1,664,339.70 × 435,720.80
  4. Step 4: Simplify right side
    1,110,045.80x = 725,187,425,555.76
  5. Step 5: Solve for x
    x = 725,187,425,555.76/1,110,045.80
  6. Step 6: Final answer
    x = 653,295.05

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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.