Home / 1,161,345.60-1,742,238.72-403,157.52

Finding the Fourth Proportional to 1,161,345.60, 1,742,238.72 and 403,157.52

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Solution

The fourth proportional to 1,161,345.60, 1,742,238.72 and 403,157.52 is: 604,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,345.60 : 1,742,238.72 = 403,157.52 : x
  2. Step 2: Convert to fraction form
    1,161,345.60/1,742,238.72 = 403,157.52/x
  3. Step 3: Cross multiply
    1,161,345.60x = 1,742,238.72 × 403,157.52
  4. Step 4: Simplify right side
    1,161,345.60x = 702,396,641,603.18
  5. Step 5: Solve for x
    x = 702,396,641,603.18/1,161,345.60
  6. Step 6: Final answer
    x = 604,812.76

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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.