Home / 1,678,276.40-2,316,014.52-914,327.60

Finding the Fourth Proportional to 1,678,276.40, 2,316,014.52 and 914,327.60

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Solution

The fourth proportional to 1,678,276.40, 2,316,014.52 and 914,327.60 is: 1,261,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,276.40 : 2,316,014.52 = 914,327.60 : x
  2. Step 2: Convert to fraction form
    1,678,276.40/2,316,014.52 = 914,327.60/x
  3. Step 3: Cross multiply
    1,678,276.40x = 2,316,014.52 × 914,327.60
  4. Step 4: Simplify right side
    1,678,276.40x = 2,117,595,997,636.75
  5. Step 5: Solve for x
    x = 2,117,595,997,636.75/1,678,276.40
  6. Step 6: Final answer
    x = 1,261,768.32

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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.