Home / 1,688,000.33-2,329,440.26-913,631.04

Finding the Fourth Proportional to 1,688,000.33, 2,329,440.26 and 913,631.04

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Solution

The fourth proportional to 1,688,000.33, 2,329,440.26 and 913,631.04 is: 1,260,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,000.33 : 2,329,440.26 = 913,631.04 : x
  2. Step 2: Convert to fraction form
    1,688,000.33/2,329,440.26 = 913,631.04/x
  3. Step 3: Cross multiply
    1,688,000.33x = 2,329,440.26 × 913,631.04
  4. Step 4: Simplify right side
    1,688,000.33x = 2,128,248,915,714.47
  5. Step 5: Solve for x
    x = 2,128,248,915,714.47/1,688,000.33
  6. Step 6: Final answer
    x = 1,260,810.73

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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.