Home / 1,145,793.96-1,581,142.02-636,527.40

Finding the Fourth Proportional to 1,145,793.96, 1,581,142.02 and 636,527.40

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Solution

The fourth proportional to 1,145,793.96, 1,581,142.02 and 636,527.40 is: 878,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,793.96 : 1,581,142.02 = 636,527.40 : x
  2. Step 2: Convert to fraction form
    1,145,793.96/1,581,142.02 = 636,527.40/x
  3. Step 3: Cross multiply
    1,145,793.96x = 1,581,142.02 × 636,527.40
  4. Step 4: Simplify right side
    1,145,793.96x = 1,006,440,219,021.35
  5. Step 5: Solve for x
    x = 1,006,440,219,021.35/1,145,793.96
  6. Step 6: Final answer
    x = 878,378.01

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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.