Home / 756,084.70-1,134,127.05-686,100.70

Finding the Fourth Proportional to 756,084.70, 1,134,127.05 and 686,100.70

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Solution

The fourth proportional to 756,084.70, 1,134,127.05 and 686,100.70 is: 1,029,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,084.70 : 1,134,127.05 = 686,100.70 : x
  2. Step 2: Convert to fraction form
    756,084.70/1,134,127.05 = 686,100.70/x
  3. Step 3: Cross multiply
    756,084.70x = 1,134,127.05 × 686,100.70
  4. Step 4: Simplify right side
    756,084.70x = 778,125,362,893.94
  5. Step 5: Solve for x
    x = 778,125,362,893.94/756,084.70
  6. Step 6: Final answer
    x = 1,029,151.05

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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.