Home / 1,275,707.53-1,913,513.46-316,166.32

Finding the Fourth Proportional to 1,275,707.53, 1,913,513.46 and 316,166.32

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Solution

The fourth proportional to 1,275,707.53, 1,913,513.46 and 316,166.32 is: 474,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,707.53 : 1,913,513.46 = 316,166.32 : x
  2. Step 2: Convert to fraction form
    1,275,707.53/1,913,513.46 = 316,166.32/x
  3. Step 3: Cross multiply
    1,275,707.53x = 1,913,513.46 × 316,166.32
  4. Step 4: Simplify right side
    1,275,707.53x = 604,988,508,918.67
  5. Step 5: Solve for x
    x = 604,988,508,918.67/1,275,707.53
  6. Step 6: Final answer
    x = 474,237.62

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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.