Home / 1,127,491.02-1,691,334.87-286,042.77

Finding the Fourth Proportional to 1,127,491.02, 1,691,334.87 and 286,042.77

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Solution

The fourth proportional to 1,127,491.02, 1,691,334.87 and 286,042.77 is: 429,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,491.02 : 1,691,334.87 = 286,042.77 : x
  2. Step 2: Convert to fraction form
    1,127,491.02/1,691,334.87 = 286,042.77/x
  3. Step 3: Cross multiply
    1,127,491.02x = 1,691,334.87 × 286,042.77
  4. Step 4: Simplify right side
    1,127,491.02x = 483,794,111,212.39
  5. Step 5: Solve for x
    x = 483,794,111,212.39/1,127,491.02
  6. Step 6: Final answer
    x = 429,089.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.