Home / 807,542.78-1,206,852.50-760,875.59

Finding the Fourth Proportional to 807,542.78, 1,206,852.50 and 760,875.59

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Solution

The fourth proportional to 807,542.78, 1,206,852.50 and 760,875.59 is: 1,137,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,542.78 : 1,206,852.50 = 760,875.59 : x
  2. Step 2: Convert to fraction form
    807,542.78/1,206,852.50 = 760,875.59/x
  3. Step 3: Cross multiply
    807,542.78x = 1,206,852.50 × 760,875.59
  4. Step 4: Simplify right side
    807,542.78x = 918,264,607,980.48
  5. Step 5: Solve for x
    x = 918,264,607,980.48/807,542.78
  6. Step 6: Final answer
    x = 1,137,109.55

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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.