Home / 1,065,681.30-1,599,659.90-458,770

Finding the Fourth Proportional to 1,065,681.30, 1,599,659.90 and 458,770

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Solution

The fourth proportional to 1,065,681.30, 1,599,659.90 and 458,770 is: 688,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,681.30 : 1,599,659.90 = 458,770 : x
  2. Step 2: Convert to fraction form
    1,065,681.30/1,599,659.90 = 458,770/x
  3. Step 3: Cross multiply
    1,065,681.30x = 1,599,659.90 × 458,770
  4. Step 4: Simplify right side
    1,065,681.30x = 733,875,972,323
  5. Step 5: Solve for x
    x = 733,875,972,323/1,065,681.30
  6. Step 6: Final answer
    x = 688,644.88

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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.