Home / 1,319,461.64-1,820,849.46-715,836.68

Finding the Fourth Proportional to 1,319,461.64, 1,820,849.46 and 715,836.68

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Solution

The fourth proportional to 1,319,461.64, 1,820,849.46 and 715,836.68 is: 987,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,461.64 : 1,820,849.46 = 715,836.68 : x
  2. Step 2: Convert to fraction form
    1,319,461.64/1,820,849.46 = 715,836.68/x
  3. Step 3: Cross multiply
    1,319,461.64x = 1,820,849.46 × 715,836.68
  4. Step 4: Simplify right side
    1,319,461.64x = 1,303,430,832,226.19
  5. Step 5: Solve for x
    x = 1,303,430,832,226.19/1,319,461.64
  6. Step 6: Final answer
    x = 987,850.49

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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.