Home / 1,636,216.40-2,453,449.80-688,516.40

Finding the Fourth Proportional to 1,636,216.40, 2,453,449.80 and 688,516.40

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Solution

The fourth proportional to 1,636,216.40, 2,453,449.80 and 688,516.40 is: 1,032,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,216.40 : 2,453,449.80 = 688,516.40 : x
  2. Step 2: Convert to fraction form
    1,636,216.40/2,453,449.80 = 688,516.40/x
  3. Step 3: Cross multiply
    1,636,216.40x = 2,453,449.80 × 688,516.40
  4. Step 4: Simplify right side
    1,636,216.40x = 1,689,240,423,876.72
  5. Step 5: Solve for x
    x = 1,689,240,423,876.72/1,636,216.40
  6. Step 6: Final answer
    x = 1,032,406.49

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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.