Home / 1,686,582.96-2,529,911.28-676,180.74

Finding the Fourth Proportional to 1,686,582.96, 2,529,911.28 and 676,180.74

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Solution

The fourth proportional to 1,686,582.96, 2,529,911.28 and 676,180.74 is: 1,014,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,582.96 : 2,529,911.28 = 676,180.74 : x
  2. Step 2: Convert to fraction form
    1,686,582.96/2,529,911.28 = 676,180.74/x
  3. Step 3: Cross multiply
    1,686,582.96x = 2,529,911.28 × 676,180.74
  4. Step 4: Simplify right side
    1,686,582.96x = 1,710,677,281,444.75
  5. Step 5: Solve for x
    x = 1,710,677,281,444.75/1,686,582.96
  6. Step 6: Final answer
    x = 1,014,285.88

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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.