Home / 1,319,178.48-1,976,114.08-999,876.48

Finding the Fourth Proportional to 1,319,178.48, 1,976,114.08 and 999,876.48

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Solution

The fourth proportional to 1,319,178.48, 1,976,114.08 and 999,876.48 is: 1,497,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,178.48 : 1,976,114.08 = 999,876.48 : x
  2. Step 2: Convert to fraction form
    1,319,178.48/1,976,114.08 = 999,876.48/x
  3. Step 3: Cross multiply
    1,319,178.48x = 1,976,114.08 × 999,876.48
  4. Step 4: Simplify right side
    1,319,178.48x = 1,975,869,990,388.84
  5. Step 5: Solve for x
    x = 1,975,869,990,388.84/1,319,178.48
  6. Step 6: Final answer
    x = 1,497,803.38

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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.