Home / 1,514,140.87-2,089,440.67-902,280.01

Finding the Fourth Proportional to 1,514,140.87, 2,089,440.67 and 902,280.01

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Solution

The fourth proportional to 1,514,140.87, 2,089,440.67 and 902,280.01 is: 1,245,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,140.87 : 2,089,440.67 = 902,280.01 : x
  2. Step 2: Convert to fraction form
    1,514,140.87/2,089,440.67 = 902,280.01/x
  3. Step 3: Cross multiply
    1,514,140.87x = 2,089,440.67 × 902,280.01
  4. Step 4: Simplify right side
    1,514,140.87x = 1,885,260,538,174.80
  5. Step 5: Solve for x
    x = 1,885,260,538,174.80/1,514,140.87
  6. Step 6: Final answer
    x = 1,245,102.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.