Home / 971,998.20-1,457,363.70-872,465.40

Finding the Fourth Proportional to 971,998.20, 1,457,363.70 and 872,465.40

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Solution

The fourth proportional to 971,998.20, 1,457,363.70 and 872,465.40 is: 1,308,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,998.20 : 1,457,363.70 = 872,465.40 : x
  2. Step 2: Convert to fraction form
    971,998.20/1,457,363.70 = 872,465.40/x
  3. Step 3: Cross multiply
    971,998.20x = 1,457,363.70 × 872,465.40
  4. Step 4: Simplify right side
    971,998.20x = 1,271,499,403,465.98
  5. Step 5: Solve for x
    x = 1,271,499,403,465.98/971,998.20
  6. Step 6: Final answer
    x = 1,308,129.38

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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.