Home / 1,506,678.76-2,079,231.96-818,357.28

Finding the Fourth Proportional to 1,506,678.76, 2,079,231.96 and 818,357.28

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Solution

The fourth proportional to 1,506,678.76, 2,079,231.96 and 818,357.28 is: 1,129,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,678.76 : 2,079,231.96 = 818,357.28 : x
  2. Step 2: Convert to fraction form
    1,506,678.76/2,079,231.96 = 818,357.28/x
  3. Step 3: Cross multiply
    1,506,678.76x = 2,079,231.96 × 818,357.28
  4. Step 4: Simplify right side
    1,506,678.76x = 1,701,554,611,274.67
  5. Step 5: Solve for x
    x = 1,701,554,611,274.67/1,506,678.76
  6. Step 6: Final answer
    x = 1,129,341.34

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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.