Home / 1,159,317.36-1,599,705.72-643,065.48

Finding the Fourth Proportional to 1,159,317.36, 1,599,705.72 and 643,065.48

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Solution

The fourth proportional to 1,159,317.36, 1,599,705.72 and 643,065.48 is: 887,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,317.36 : 1,599,705.72 = 643,065.48 : x
  2. Step 2: Convert to fraction form
    1,159,317.36/1,599,705.72 = 643,065.48/x
  3. Step 3: Cross multiply
    1,159,317.36x = 1,599,705.72 × 643,065.48
  4. Step 4: Simplify right side
    1,159,317.36x = 1,028,715,526,690.55
  5. Step 5: Solve for x
    x = 1,028,715,526,690.55/1,159,317.36
  6. Step 6: Final answer
    x = 887,345.92

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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.