Home / 1,316,424.96-1,816,672.32-712,817.28

Finding the Fourth Proportional to 1,316,424.96, 1,816,672.32 and 712,817.28

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Solution

The fourth proportional to 1,316,424.96, 1,816,672.32 and 712,817.28 is: 983,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,424.96 : 1,816,672.32 = 712,817.28 : x
  2. Step 2: Convert to fraction form
    1,316,424.96/1,816,672.32 = 712,817.28/x
  3. Step 3: Cross multiply
    1,316,424.96x = 1,816,672.32 × 712,817.28
  4. Step 4: Simplify right side
    1,316,424.96x = 1,294,955,421,793.69
  5. Step 5: Solve for x
    x = 1,294,955,421,793.69/1,316,424.96
  6. Step 6: Final answer
    x = 983,691.03

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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.