Home / 1,587,677.76-2,381,555.52-465,782.40

Finding the Fourth Proportional to 1,587,677.76, 2,381,555.52 and 465,782.40

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Solution

The fourth proportional to 1,587,677.76, 2,381,555.52 and 465,782.40 is: 698,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,677.76 : 2,381,555.52 = 465,782.40 : x
  2. Step 2: Convert to fraction form
    1,587,677.76/2,381,555.52 = 465,782.40/x
  3. Step 3: Cross multiply
    1,587,677.76x = 2,381,555.52 × 465,782.40
  4. Step 4: Simplify right side
    1,587,677.76x = 1,109,286,645,838.85
  5. Step 5: Solve for x
    x = 1,109,286,645,838.85/1,587,677.76
  6. Step 6: Final answer
    x = 698,685.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.