Home / 1,316,002.60-1,816,096.10-772,147.64

Finding the Fourth Proportional to 1,316,002.60, 1,816,096.10 and 772,147.64

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Solution

The fourth proportional to 1,316,002.60, 1,816,096.10 and 772,147.64 is: 1,065,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,002.60 : 1,816,096.10 = 772,147.64 : x
  2. Step 2: Convert to fraction form
    1,316,002.60/1,816,096.10 = 772,147.64/x
  3. Step 3: Cross multiply
    1,316,002.60x = 1,816,096.10 × 772,147.64
  4. Step 4: Simplify right side
    1,316,002.60x = 1,402,294,317,628.20
  5. Step 5: Solve for x
    x = 1,402,294,317,628.20/1,316,002.60
  6. Step 6: Final answer
    x = 1,065,571.08

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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.