Home / 1,472,740.40-2,032,369.02-828,146.86

Finding the Fourth Proportional to 1,472,740.40, 2,032,369.02 and 828,146.86

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Solution

The fourth proportional to 1,472,740.40, 2,032,369.02 and 828,146.86 is: 1,142,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,740.40 : 2,032,369.02 = 828,146.86 : x
  2. Step 2: Convert to fraction form
    1,472,740.40/2,032,369.02 = 828,146.86/x
  3. Step 3: Cross multiply
    1,472,740.40x = 2,032,369.02 × 828,146.86
  4. Step 4: Simplify right side
    1,472,740.40x = 1,683,100,022,274.28
  5. Step 5: Solve for x
    x = 1,683,100,022,274.28/1,472,740.40
  6. Step 6: Final answer
    x = 1,142,835.51

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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.