Home / 818,672.64-1,129,691.52-603,931.92

Finding the Fourth Proportional to 818,672.64, 1,129,691.52 and 603,931.92

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Solution

The fourth proportional to 818,672.64, 1,129,691.52 and 603,931.92 is: 833,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,672.64 : 1,129,691.52 = 603,931.92 : x
  2. Step 2: Convert to fraction form
    818,672.64/1,129,691.52 = 603,931.92/x
  3. Step 3: Cross multiply
    818,672.64x = 1,129,691.52 × 603,931.92
  4. Step 4: Simplify right side
    818,672.64x = 682,256,768,681.32
  5. Step 5: Solve for x
    x = 682,256,768,681.32/818,672.64
  6. Step 6: Final answer
    x = 833,369.45

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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.