Home / 1,683,370.32-2,323,051.02-919,425.69

Finding the Fourth Proportional to 1,683,370.32, 2,323,051.02 and 919,425.69

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Solution

The fourth proportional to 1,683,370.32, 2,323,051.02 and 919,425.69 is: 1,268,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,370.32 : 2,323,051.02 = 919,425.69 : x
  2. Step 2: Convert to fraction form
    1,683,370.32/2,323,051.02 = 919,425.69/x
  3. Step 3: Cross multiply
    1,683,370.32x = 2,323,051.02 × 919,425.69
  4. Step 4: Simplify right side
    1,683,370.32x = 2,135,872,786,968.70
  5. Step 5: Solve for x
    x = 2,135,872,786,968.70/1,683,370.32
  6. Step 6: Final answer
    x = 1,268,807.44

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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.