Home / 1,200,693.80-1,656,996.90-684,438.48

Finding the Fourth Proportional to 1,200,693.80, 1,656,996.90 and 684,438.48

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Solution

The fourth proportional to 1,200,693.80, 1,656,996.90 and 684,438.48 is: 944,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,693.80 : 1,656,996.90 = 684,438.48 : x
  2. Step 2: Convert to fraction form
    1,200,693.80/1,656,996.90 = 684,438.48/x
  3. Step 3: Cross multiply
    1,200,693.80x = 1,656,996.90 × 684,438.48
  4. Step 4: Simplify right side
    1,200,693.80x = 1,134,112,439,600.71
  5. Step 5: Solve for x
    x = 1,134,112,439,600.71/1,200,693.80
  6. Step 6: Final answer
    x = 944,547.60

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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.