Home / 1,499,702.79-2,069,584.14-811,372.50

Finding the Fourth Proportional to 1,499,702.79, 2,069,584.14 and 811,372.50

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Solution

The fourth proportional to 1,499,702.79, 2,069,584.14 and 811,372.50 is: 1,119,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,702.79 : 2,069,584.14 = 811,372.50 : x
  2. Step 2: Convert to fraction form
    1,499,702.79/2,069,584.14 = 811,372.50/x
  3. Step 3: Cross multiply
    1,499,702.79x = 2,069,584.14 × 811,372.50
  4. Step 4: Simplify right side
    1,499,702.79x = 1,679,203,657,632.15
  5. Step 5: Solve for x
    x = 1,679,203,657,632.15/1,499,702.79
  6. Step 6: Final answer
    x = 1,119,690.96

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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.