Home / 1,464,584-2,021,156.64-828,680

Finding the Fourth Proportional to 1,464,584, 2,021,156.64 and 828,680

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Solution

The fourth proportional to 1,464,584, 2,021,156.64 and 828,680 is: 1,143,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,584 : 2,021,156.64 = 828,680 : x
  2. Step 2: Convert to fraction form
    1,464,584/2,021,156.64 = 828,680/x
  3. Step 3: Cross multiply
    1,464,584x = 2,021,156.64 × 828,680
  4. Step 4: Simplify right side
    1,464,584x = 1,674,892,084,435.20
  5. Step 5: Solve for x
    x = 1,674,892,084,435.20/1,464,584
  6. Step 6: Final answer
    x = 1,143,595.78

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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.