Home / 1,432,905.52-1,977,549.18-1,069,698.69

Finding the Fourth Proportional to 1,432,905.52, 1,977,549.18 and 1,069,698.69

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Solution

The fourth proportional to 1,432,905.52, 1,977,549.18 and 1,069,698.69 is: 1,476,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,905.52 : 1,977,549.18 = 1,069,698.69 : x
  2. Step 2: Convert to fraction form
    1,432,905.52/1,977,549.18 = 1,069,698.69/x
  3. Step 3: Cross multiply
    1,432,905.52x = 1,977,549.18 × 1,069,698.69
  4. Step 4: Simplify right side
    1,432,905.52x = 2,115,381,767,256.57
  5. Step 5: Solve for x
    x = 2,115,381,767,256.57/1,432,905.52
  6. Step 6: Final answer
    x = 1,476,288.38

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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.