Home / 1,567,429.76-2,163,076.76-879,254.16

Finding the Fourth Proportional to 1,567,429.76, 2,163,076.76 and 879,254.16

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Solution

The fourth proportional to 1,567,429.76, 2,163,076.76 and 879,254.16 is: 1,213,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,429.76 : 2,163,076.76 = 879,254.16 : x
  2. Step 2: Convert to fraction form
    1,567,429.76/2,163,076.76 = 879,254.16/x
  3. Step 3: Cross multiply
    1,567,429.76x = 2,163,076.76 × 879,254.16
  4. Step 4: Simplify right side
    1,567,429.76x = 1,901,894,241,827.46
  5. Step 5: Solve for x
    x = 1,901,894,241,827.46/1,567,429.76
  6. Step 6: Final answer
    x = 1,213,384.04

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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.