Home / 1,151,070.40-1,588,060.65-667,369.18

Finding the Fourth Proportional to 1,151,070.40, 1,588,060.65 and 667,369.18

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Solution

The fourth proportional to 1,151,070.40, 1,588,060.65 and 667,369.18 is: 920,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,070.40 : 1,588,060.65 = 667,369.18 : x
  2. Step 2: Convert to fraction form
    1,151,070.40/1,588,060.65 = 667,369.18/x
  3. Step 3: Cross multiply
    1,151,070.40x = 1,588,060.65 × 667,369.18
  4. Step 4: Simplify right side
    1,151,070.40x = 1,059,822,733,780.77
  5. Step 5: Solve for x
    x = 1,059,822,733,780.77/1,151,070.40
  6. Step 6: Final answer
    x = 920,727.99

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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.