Home / 756,056.70-1,134,085.05-686,072.70

Finding the Fourth Proportional to 756,056.70, 1,134,085.05 and 686,072.70

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Solution

The fourth proportional to 756,056.70, 1,134,085.05 and 686,072.70 is: 1,029,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,056.70 : 1,134,085.05 = 686,072.70 : x
  2. Step 2: Convert to fraction form
    756,056.70/1,134,085.05 = 686,072.70/x
  3. Step 3: Cross multiply
    756,056.70x = 1,134,085.05 × 686,072.70
  4. Step 4: Simplify right side
    756,056.70x = 778,064,792,283.14
  5. Step 5: Solve for x
    x = 778,064,792,283.14/756,056.70
  6. Step 6: Final answer
    x = 1,029,109.05

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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.