Home / 1,511,440.64-2,085,762.88-832,440.32

Finding the Fourth Proportional to 1,511,440.64, 2,085,762.88 and 832,440.32

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Solution

The fourth proportional to 1,511,440.64, 2,085,762.88 and 832,440.32 is: 1,148,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,440.64 : 2,085,762.88 = 832,440.32 : x
  2. Step 2: Convert to fraction form
    1,511,440.64/2,085,762.88 = 832,440.32/x
  3. Step 3: Cross multiply
    1,511,440.64x = 2,085,762.88 × 832,440.32
  4. Step 4: Simplify right side
    1,511,440.64x = 1,736,273,119,271.32
  5. Step 5: Solve for x
    x = 1,736,273,119,271.32/1,511,440.64
  6. Step 6: Final answer
    x = 1,148,753.76

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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.