Home / 1,966,430.96-2,949,655.80-687,033.08

Finding the Fourth Proportional to 1,966,430.96, 2,949,655.80 and 687,033.08

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Solution

The fourth proportional to 1,966,430.96, 2,949,655.80 and 687,033.08 is: 1,030,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,430.96 : 2,949,655.80 = 687,033.08 : x
  2. Step 2: Convert to fraction form
    1,966,430.96/2,949,655.80 = 687,033.08/x
  3. Step 3: Cross multiply
    1,966,430.96x = 2,949,655.80 × 687,033.08
  4. Step 4: Simplify right side
    1,966,430.96x = 2,026,511,109,213.86
  5. Step 5: Solve for x
    x = 2,026,511,109,213.86/1,966,430.96
  6. Step 6: Final answer
    x = 1,030,552.89

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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.