Home / 1,578,612.60-2,367,918.90-692,148.60

Finding the Fourth Proportional to 1,578,612.60, 2,367,918.90 and 692,148.60

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Solution

The fourth proportional to 1,578,612.60, 2,367,918.90 and 692,148.60 is: 1,038,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,612.60 : 2,367,918.90 = 692,148.60 : x
  2. Step 2: Convert to fraction form
    1,578,612.60/2,367,918.90 = 692,148.60/x
  3. Step 3: Cross multiply
    1,578,612.60x = 2,367,918.90 × 692,148.60
  4. Step 4: Simplify right side
    1,578,612.60x = 1,638,951,751,548.54
  5. Step 5: Solve for x
    x = 1,638,951,751,548.54/1,578,612.60
  6. Step 6: Final answer
    x = 1,038,222.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.