Home / 1,079,322.06-1,489,639.47-626,875.50

Finding the Fourth Proportional to 1,079,322.06, 1,489,639.47 and 626,875.50

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Solution

The fourth proportional to 1,079,322.06, 1,489,639.47 and 626,875.50 is: 865,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,322.06 : 1,489,639.47 = 626,875.50 : x
  2. Step 2: Convert to fraction form
    1,079,322.06/1,489,639.47 = 626,875.50/x
  3. Step 3: Cross multiply
    1,079,322.06x = 1,489,639.47 × 626,875.50
  4. Step 4: Simplify right side
    1,079,322.06x = 933,818,487,575.99
  5. Step 5: Solve for x
    x = 933,818,487,575.99/1,079,322.06
  6. Step 6: Final answer
    x = 865,189.85

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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.