Home / 807,045.52-1,201,041.14-780,137.20

Finding the Fourth Proportional to 807,045.52, 1,201,041.14 and 780,137.20

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Solution

The fourth proportional to 807,045.52, 1,201,041.14 and 780,137.20 is: 1,160,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,045.52 : 1,201,041.14 = 780,137.20 : x
  2. Step 2: Convert to fraction form
    807,045.52/1,201,041.14 = 780,137.20/x
  3. Step 3: Cross multiply
    807,045.52x = 1,201,041.14 × 780,137.20
  4. Step 4: Simplify right side
    807,045.52x = 936,976,872,044.41
  5. Step 5: Solve for x
    x = 936,976,872,044.41/807,045.52
  6. Step 6: Final answer
    x = 1,160,996.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.