Home / 1,555,978.90-2,333,407.25-657,490.28

Finding the Fourth Proportional to 1,555,978.90, 2,333,407.25 and 657,490.28

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Solution

The fourth proportional to 1,555,978.90, 2,333,407.25 and 657,490.28 is: 985,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,978.90 : 2,333,407.25 = 657,490.28 : x
  2. Step 2: Convert to fraction form
    1,555,978.90/2,333,407.25 = 657,490.28/x
  3. Step 3: Cross multiply
    1,555,978.90x = 2,333,407.25 × 657,490.28
  4. Step 4: Simplify right side
    1,555,978.90x = 1,534,192,586,156.53
  5. Step 5: Solve for x
    x = 1,534,192,586,156.53/1,555,978.90
  6. Step 6: Final answer
    x = 985,998.32

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