Home / 1,407,808.15-2,111,712.19-649,425.24

Finding the Fourth Proportional to 1,407,808.15, 2,111,712.19 and 649,425.24

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Solution

The fourth proportional to 1,407,808.15, 2,111,712.19 and 649,425.24 is: 974,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,808.15 : 2,111,712.19 = 649,425.24 : x
  2. Step 2: Convert to fraction form
    1,407,808.15/2,111,712.19 = 649,425.24/x
  3. Step 3: Cross multiply
    1,407,808.15x = 2,111,712.19 × 649,425.24
  4. Step 4: Simplify right side
    1,407,808.15x = 1,371,399,194,178.11
  5. Step 5: Solve for x
    x = 1,371,399,194,178.11/1,407,808.15
  6. Step 6: Final answer
    x = 974,137.84

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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.