Home / 1,319,298.07-1,820,634.83-715,686.07

Finding the Fourth Proportional to 1,319,298.07, 1,820,634.83 and 715,686.07

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Solution

The fourth proportional to 1,319,298.07, 1,820,634.83 and 715,686.07 is: 987,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,298.07 : 1,820,634.83 = 715,686.07 : x
  2. Step 2: Convert to fraction form
    1,319,298.07/1,820,634.83 = 715,686.07/x
  3. Step 3: Cross multiply
    1,319,298.07x = 1,820,634.83 × 715,686.07
  4. Step 4: Simplify right side
    1,319,298.07x = 1,303,002,986,387.82
  5. Step 5: Solve for x
    x = 1,303,002,986,387.82/1,319,298.07
  6. Step 6: Final answer
    x = 987,648.67

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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.