Home / 1,506,688.40-2,079,245.13-818,373.69

Finding the Fourth Proportional to 1,506,688.40, 2,079,245.13 and 818,373.69

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Solution

The fourth proportional to 1,506,688.40, 2,079,245.13 and 818,373.69 is: 1,129,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,688.40 : 2,079,245.13 = 818,373.69 : x
  2. Step 2: Convert to fraction form
    1,506,688.40/2,079,245.13 = 818,373.69/x
  3. Step 3: Cross multiply
    1,506,688.40x = 2,079,245.13 × 818,373.69
  4. Step 4: Simplify right side
    1,506,688.40x = 1,701,599,506,383.73
  5. Step 5: Solve for x
    x = 1,701,599,506,383.73/1,506,688.40
  6. Step 6: Final answer
    x = 1,129,363.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.