Home / 1,403,247.36-2,105,091.62-456,396.64

Finding the Fourth Proportional to 1,403,247.36, 2,105,091.62 and 456,396.64

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Solution

The fourth proportional to 1,403,247.36, 2,105,091.62 and 456,396.64 is: 684,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,247.36 : 2,105,091.62 = 456,396.64 : x
  2. Step 2: Convert to fraction form
    1,403,247.36/2,105,091.62 = 456,396.64/x
  3. Step 3: Cross multiply
    1,403,247.36x = 2,105,091.62 × 456,396.64
  4. Step 4: Simplify right side
    1,403,247.36x = 960,756,742,260.16
  5. Step 5: Solve for x
    x = 960,756,742,260.16/1,403,247.36
  6. Step 6: Final answer
    x = 684,666.70

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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.