Home / 1,477,710.72-2,216,584.32-412,688.64

Finding the Fourth Proportional to 1,477,710.72, 2,216,584.32 and 412,688.64

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Solution

The fourth proportional to 1,477,710.72, 2,216,584.32 and 412,688.64 is: 619,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,710.72 : 2,216,584.32 = 412,688.64 : x
  2. Step 2: Convert to fraction form
    1,477,710.72/2,216,584.32 = 412,688.64/x
  3. Step 3: Cross multiply
    1,477,710.72x = 2,216,584.32 × 412,688.64
  4. Step 4: Simplify right side
    1,477,710.72x = 914,759,168,466.13
  5. Step 5: Solve for x
    x = 914,759,168,466.13/1,477,710.72
  6. Step 6: Final answer
    x = 619,038.05

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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.