Home / 1,121,570.10-1,682,355.15-997,567.20

Finding the Fourth Proportional to 1,121,570.10, 1,682,355.15 and 997,567.20

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Solution

The fourth proportional to 1,121,570.10, 1,682,355.15 and 997,567.20 is: 1,496,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,570.10 : 1,682,355.15 = 997,567.20 : x
  2. Step 2: Convert to fraction form
    1,121,570.10/1,682,355.15 = 997,567.20/x
  3. Step 3: Cross multiply
    1,121,570.10x = 1,682,355.15 × 997,567.20
  4. Step 4: Simplify right side
    1,121,570.10x = 1,678,262,316,391.08
  5. Step 5: Solve for x
    x = 1,678,262,316,391.08/1,121,570.10
  6. Step 6: Final answer
    x = 1,496,350.80

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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.