Home / 1,678,592.40-2,518,632.76-879,684

Finding the Fourth Proportional to 1,678,592.40, 2,518,632.76 and 879,684

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Solution

The fourth proportional to 1,678,592.40, 2,518,632.76 and 879,684 is: 1,319,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,592.40 : 2,518,632.76 = 879,684 : x
  2. Step 2: Convert to fraction form
    1,678,592.40/2,518,632.76 = 879,684/x
  3. Step 3: Cross multiply
    1,678,592.40x = 2,518,632.76 × 879,684
  4. Step 4: Simplify right side
    1,678,592.40x = 2,215,600,940,847.84
  5. Step 5: Solve for x
    x = 2,215,600,940,847.84/1,678,592.40
  6. Step 6: Final answer
    x = 1,319,915.98

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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.