Home / 1,319,401.04-1,820,776.93-715,789.04

Finding the Fourth Proportional to 1,319,401.04, 1,820,776.93 and 715,789.04

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Solution

The fourth proportional to 1,319,401.04, 1,820,776.93 and 715,789.04 is: 987,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,401.04 : 1,820,776.93 = 715,789.04 : x
  2. Step 2: Convert to fraction form
    1,319,401.04/1,820,776.93 = 715,789.04/x
  3. Step 3: Cross multiply
    1,319,401.04x = 1,820,776.93 × 715,789.04
  4. Step 4: Simplify right side
    1,319,401.04x = 1,303,292,159,885.49
  5. Step 5: Solve for x
    x = 1,303,292,159,885.49/1,319,401.04
  6. Step 6: Final answer
    x = 987,790.77

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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.