Home / 1,319,477.02-1,821,096.04-905,673.74

Finding the Fourth Proportional to 1,319,477.02, 1,821,096.04 and 905,673.74

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Solution

The fourth proportional to 1,319,477.02, 1,821,096.04 and 905,673.74 is: 1,249,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,477.02 : 1,821,096.04 = 905,673.74 : x
  2. Step 2: Convert to fraction form
    1,319,477.02/1,821,096.04 = 905,673.74/x
  3. Step 3: Cross multiply
    1,319,477.02x = 1,821,096.04 × 905,673.74
  4. Step 4: Simplify right side
    1,319,477.02x = 1,649,318,861,445.99
  5. Step 5: Solve for x
    x = 1,649,318,861,445.99/1,319,477.02
  6. Step 6: Final answer
    x = 1,249,979.22

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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.