Home / 991,528.58-1,368,728.03-669,674.63

Finding the Fourth Proportional to 991,528.58, 1,368,728.03 and 669,674.63

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Solution

The fourth proportional to 991,528.58, 1,368,728.03 and 669,674.63 is: 924,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,528.58 : 1,368,728.03 = 669,674.63 : x
  2. Step 2: Convert to fraction form
    991,528.58/1,368,728.03 = 669,674.63/x
  3. Step 3: Cross multiply
    991,528.58x = 1,368,728.03 × 669,674.63
  4. Step 4: Simplify right side
    991,528.58x = 916,602,442,156.89
  5. Step 5: Solve for x
    x = 916,602,442,156.89/991,528.58
  6. Step 6: Final answer
    x = 924,433.71

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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.