Home / 1,015,061.40-1,400,687.10-607,080.60

Finding the Fourth Proportional to 1,015,061.40, 1,400,687.10 and 607,080.60

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Solution

The fourth proportional to 1,015,061.40, 1,400,687.10 and 607,080.60 is: 837,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,061.40 : 1,400,687.10 = 607,080.60 : x
  2. Step 2: Convert to fraction form
    1,015,061.40/1,400,687.10 = 607,080.60/x
  3. Step 3: Cross multiply
    1,015,061.40x = 1,400,687.10 × 607,080.60
  4. Step 4: Simplify right side
    1,015,061.40x = 850,329,965,080.26
  5. Step 5: Solve for x
    x = 850,329,965,080.26/1,015,061.40
  6. Step 6: Final answer
    x = 837,712.84

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1.5x scale

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.