Home / 1,506,663.81-2,079,211.32-818,342.31

Finding the Fourth Proportional to 1,506,663.81, 2,079,211.32 and 818,342.31

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Solution

The fourth proportional to 1,506,663.81, 2,079,211.32 and 818,342.31 is: 1,129,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,663.81 : 2,079,211.32 = 818,342.31 : x
  2. Step 2: Convert to fraction form
    1,506,663.81/2,079,211.32 = 818,342.31/x
  3. Step 3: Cross multiply
    1,506,663.81x = 2,079,211.32 × 818,342.31
  4. Step 4: Simplify right side
    1,506,663.81x = 1,701,506,594,586.95
  5. Step 5: Solve for x
    x = 1,701,506,594,586.95/1,506,663.81
  6. Step 6: Final answer
    x = 1,129,320.68

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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.