Home / 836,300.52-1,248,130.81-755,588.12

Finding the Fourth Proportional to 836,300.52, 1,248,130.81 and 755,588.12

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Solution

The fourth proportional to 836,300.52, 1,248,130.81 and 755,588.12 is: 1,127,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,300.52 : 1,248,130.81 = 755,588.12 : x
  2. Step 2: Convert to fraction form
    836,300.52/1,248,130.81 = 755,588.12/x
  3. Step 3: Cross multiply
    836,300.52x = 1,248,130.81 × 755,588.12
  4. Step 4: Simplify right side
    836,300.52x = 943,072,812,241.98
  5. Step 5: Solve for x
    x = 943,072,812,241.98/836,300.52
  6. Step 6: Final answer
    x = 1,127,672.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.