Home / 1,057,345.36-1,459,894.88-649,993.36

Finding the Fourth Proportional to 1,057,345.36, 1,459,894.88 and 649,993.36

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Solution

The fourth proportional to 1,057,345.36, 1,459,894.88 and 649,993.36 is: 897,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,345.36 : 1,459,894.88 = 649,993.36 : x
  2. Step 2: Convert to fraction form
    1,057,345.36/1,459,894.88 = 649,993.36/x
  3. Step 3: Cross multiply
    1,057,345.36x = 1,459,894.88 × 649,993.36
  4. Step 4: Simplify right side
    1,057,345.36x = 948,921,978,298.00
  5. Step 5: Solve for x
    x = 948,921,978,298.00/1,057,345.36
  6. Step 6: Final answer
    x = 897,456.98

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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.