Home / 1,087,496.40-1,631,244.60-1,066,501.20

Finding the Fourth Proportional to 1,087,496.40, 1,631,244.60 and 1,066,501.20

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Solution

The fourth proportional to 1,087,496.40, 1,631,244.60 and 1,066,501.20 is: 1,599,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,496.40 : 1,631,244.60 = 1,066,501.20 : x
  2. Step 2: Convert to fraction form
    1,087,496.40/1,631,244.60 = 1,066,501.20/x
  3. Step 3: Cross multiply
    1,087,496.40x = 1,631,244.60 × 1,066,501.20
  4. Step 4: Simplify right side
    1,087,496.40x = 1,739,724,323,393.52
  5. Step 5: Solve for x
    x = 1,739,724,323,393.52/1,087,496.40
  6. Step 6: Final answer
    x = 1,599,751.80

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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.