Home / 1,605,258.24-2,215,281.28-880,172.16

Finding the Fourth Proportional to 1,605,258.24, 2,215,281.28 and 880,172.16

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Solution

The fourth proportional to 1,605,258.24, 2,215,281.28 and 880,172.16 is: 1,214,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,258.24 : 2,215,281.28 = 880,172.16 : x
  2. Step 2: Convert to fraction form
    1,605,258.24/2,215,281.28 = 880,172.16/x
  3. Step 3: Cross multiply
    1,605,258.24x = 2,215,281.28 × 880,172.16
  4. Step 4: Simplify right side
    1,605,258.24x = 1,949,828,909,225.16
  5. Step 5: Solve for x
    x = 1,949,828,909,225.16/1,605,258.24
  6. Step 6: Final answer
    x = 1,214,651.24

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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.