Home / 1,140,079.40-1,708,991.10-539,985.80

Finding the Fourth Proportional to 1,140,079.40, 1,708,991.10 and 539,985.80

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Solution

The fourth proportional to 1,140,079.40, 1,708,991.10 and 539,985.80 is: 809,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,079.40 : 1,708,991.10 = 539,985.80 : x
  2. Step 2: Convert to fraction form
    1,140,079.40/1,708,991.10 = 539,985.80/x
  3. Step 3: Cross multiply
    1,140,079.40x = 1,708,991.10 × 539,985.80
  4. Step 4: Simplify right side
    1,140,079.40x = 922,830,926,326.38
  5. Step 5: Solve for x
    x = 922,830,926,326.38/1,140,079.40
  6. Step 6: Final answer
    x = 809,444.44

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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.