Home / 1,330,808.20-1,836,513.30-757,848.64

Finding the Fourth Proportional to 1,330,808.20, 1,836,513.30 and 757,848.64

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Solution

The fourth proportional to 1,330,808.20, 1,836,513.30 and 757,848.64 is: 1,045,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,808.20 : 1,836,513.30 = 757,848.64 : x
  2. Step 2: Convert to fraction form
    1,330,808.20/1,836,513.30 = 757,848.64/x
  3. Step 3: Cross multiply
    1,330,808.20x = 1,836,513.30 × 757,848.64
  4. Step 4: Simplify right side
    1,330,808.20x = 1,391,799,106,746.91
  5. Step 5: Solve for x
    x = 1,391,799,106,746.91/1,330,808.20
  6. Step 6: Final answer
    x = 1,045,829.98

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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.