Home / 1,275,706.05-1,913,511.21-316,164.81

Finding the Fourth Proportional to 1,275,706.05, 1,913,511.21 and 316,164.81

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Solution

The fourth proportional to 1,275,706.05, 1,913,511.21 and 316,164.81 is: 474,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,706.05 : 1,913,511.21 = 316,164.81 : x
  2. Step 2: Convert to fraction form
    1,275,706.05/1,913,511.21 = 316,164.81/x
  3. Step 3: Cross multiply
    1,275,706.05x = 1,913,511.21 × 316,164.81
  4. Step 4: Simplify right side
    1,275,706.05x = 604,984,908,142.52
  5. Step 5: Solve for x
    x = 604,984,908,142.52/1,275,706.05
  6. Step 6: Final answer
    x = 474,235.35

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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.