Home / 1,350,475.34-1,863,448.90-777,404.75

Finding the Fourth Proportional to 1,350,475.34, 1,863,448.90 and 777,404.75

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Solution

The fourth proportional to 1,350,475.34, 1,863,448.90 and 777,404.75 is: 1,072,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,475.34 : 1,863,448.90 = 777,404.75 : x
  2. Step 2: Convert to fraction form
    1,350,475.34/1,863,448.90 = 777,404.75/x
  3. Step 3: Cross multiply
    1,350,475.34x = 1,863,448.90 × 777,404.75
  4. Step 4: Simplify right side
    1,350,475.34x = 1,448,654,014,981.52
  5. Step 5: Solve for x
    x = 1,448,654,014,981.52/1,350,475.34
  6. Step 6: Final answer
    x = 1,072,699.35

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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.