Home / 1,008,897.12-1,392,329.52-556,187.04

Finding the Fourth Proportional to 1,008,897.12, 1,392,329.52 and 556,187.04

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Solution

The fourth proportional to 1,008,897.12, 1,392,329.52 and 556,187.04 is: 767,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,897.12 : 1,392,329.52 = 556,187.04 : x
  2. Step 2: Convert to fraction form
    1,008,897.12/1,392,329.52 = 556,187.04/x
  3. Step 3: Cross multiply
    1,008,897.12x = 1,392,329.52 × 556,187.04
  4. Step 4: Simplify right side
    1,008,897.12x = 774,395,634,433.42
  5. Step 5: Solve for x
    x = 774,395,634,433.42/1,008,897.12
  6. Step 6: Final answer
    x = 767,566.50

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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.