Home / 1,536,501.52-2,120,118.52-857,436.40

Finding the Fourth Proportional to 1,536,501.52, 2,120,118.52 and 857,436.40

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Solution

The fourth proportional to 1,536,501.52, 2,120,118.52 and 857,436.40 is: 1,183,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,501.52 : 2,120,118.52 = 857,436.40 : x
  2. Step 2: Convert to fraction form
    1,536,501.52/2,120,118.52 = 857,436.40/x
  3. Step 3: Cross multiply
    1,536,501.52x = 2,120,118.52 × 857,436.40
  4. Step 4: Simplify right side
    1,536,501.52x = 1,817,866,791,362.13
  5. Step 5: Solve for x
    x = 1,817,866,791,362.13/1,536,501.52
  6. Step 6: Final answer
    x = 1,183,120.72

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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.