Home / 1,570,643.10-2,356,187.40-505,437.21

Finding the Fourth Proportional to 1,570,643.10, 2,356,187.40 and 505,437.21

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Solution

The fourth proportional to 1,570,643.10, 2,356,187.40 and 505,437.21 is: 758,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,643.10 : 2,356,187.40 = 505,437.21 : x
  2. Step 2: Convert to fraction form
    1,570,643.10/2,356,187.40 = 505,437.21/x
  3. Step 3: Cross multiply
    1,570,643.10x = 2,356,187.40 × 505,437.21
  4. Step 4: Simplify right side
    1,570,643.10x = 1,190,904,785,693.15
  5. Step 5: Solve for x
    x = 1,190,904,785,693.15/1,570,643.10
  6. Step 6: Final answer
    x = 758,227.50

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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.