Home / 1,218,530.37-1,681,624.45-674,666.14

Finding the Fourth Proportional to 1,218,530.37, 1,681,624.45 and 674,666.14

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Solution

The fourth proportional to 1,218,530.37, 1,681,624.45 and 674,666.14 is: 931,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,530.37 : 1,681,624.45 = 674,666.14 : x
  2. Step 2: Convert to fraction form
    1,218,530.37/1,681,624.45 = 674,666.14/x
  3. Step 3: Cross multiply
    1,218,530.37x = 1,681,624.45 × 674,666.14
  4. Step 4: Simplify right side
    1,218,530.37x = 1,134,535,076,611.12
  5. Step 5: Solve for x
    x = 1,134,535,076,611.12/1,218,530.37
  6. Step 6: Final answer
    x = 931,068.36

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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.