Home / 1,275,706.55-1,913,511.96-316,165.31

Finding the Fourth Proportional to 1,275,706.55, 1,913,511.96 and 316,165.31

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Solution

The fourth proportional to 1,275,706.55, 1,913,511.96 and 316,165.31 is: 474,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,706.55 : 1,913,511.96 = 316,165.31 : x
  2. Step 2: Convert to fraction form
    1,275,706.55/1,913,511.96 = 316,165.31/x
  3. Step 3: Cross multiply
    1,275,706.55x = 1,913,511.96 × 316,165.31
  4. Step 4: Simplify right side
    1,275,706.55x = 604,986,092,454.55
  5. Step 5: Solve for x
    x = 604,986,092,454.55/1,275,706.55
  6. Step 6: Final answer
    x = 474,236.10

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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.