Home / 1,008,862.61-1,392,221.27-556,153.61

Finding the Fourth Proportional to 1,008,862.61, 1,392,221.27 and 556,153.61

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Solution

The fourth proportional to 1,008,862.61, 1,392,221.27 and 556,153.61 is: 767,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,862.61 : 1,392,221.27 = 556,153.61 : x
  2. Step 2: Convert to fraction form
    1,008,862.61/1,392,221.27 = 556,153.61/x
  3. Step 3: Cross multiply
    1,008,862.61x = 1,392,221.27 × 556,153.61
  4. Step 4: Simplify right side
    1,008,862.61x = 774,288,882,448.52
  5. Step 5: Solve for x
    x = 774,288,882,448.52/1,008,862.61
  6. Step 6: Final answer
    x = 767,486.94

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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.