Home / 1,100,666.30-1,650,999.45-470,810.30

Finding the Fourth Proportional to 1,100,666.30, 1,650,999.45 and 470,810.30

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Solution

The fourth proportional to 1,100,666.30, 1,650,999.45 and 470,810.30 is: 706,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,666.30 : 1,650,999.45 = 470,810.30 : x
  2. Step 2: Convert to fraction form
    1,100,666.30/1,650,999.45 = 470,810.30/x
  3. Step 3: Cross multiply
    1,100,666.30x = 1,650,999.45 × 470,810.30
  4. Step 4: Simplify right side
    1,100,666.30x = 777,307,546,354.34
  5. Step 5: Solve for x
    x = 777,307,546,354.34/1,100,666.30
  6. Step 6: Final answer
    x = 706,215.45

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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.