Home / 848,116.70-1,272,175.05-753,638.30

Finding the Fourth Proportional to 848,116.70, 1,272,175.05 and 753,638.30

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Solution

The fourth proportional to 848,116.70, 1,272,175.05 and 753,638.30 is: 1,130,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,116.70 : 1,272,175.05 = 753,638.30 : x
  2. Step 2: Convert to fraction form
    848,116.70/1,272,175.05 = 753,638.30/x
  3. Step 3: Cross multiply
    848,116.70x = 1,272,175.05 × 753,638.30
  4. Step 4: Simplify right side
    848,116.70x = 958,759,841,984.42
  5. Step 5: Solve for x
    x = 958,759,841,984.42/848,116.70
  6. Step 6: Final answer
    x = 1,130,457.45

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Double scale
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Similar ratio
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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.