Home / 1,459,988.66-2,014,491.74-815,309.66

Finding the Fourth Proportional to 1,459,988.66, 2,014,491.74 and 815,309.66

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Solution

The fourth proportional to 1,459,988.66, 2,014,491.74 and 815,309.66 is: 1,124,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,988.66 : 2,014,491.74 = 815,309.66 : x
  2. Step 2: Convert to fraction form
    1,459,988.66/2,014,491.74 = 815,309.66/x
  3. Step 3: Cross multiply
    1,459,988.66x = 2,014,491.74 × 815,309.66
  4. Step 4: Simplify right side
    1,459,988.66x = 1,642,434,575,612.21
  5. Step 5: Solve for x
    x = 1,642,434,575,612.21/1,459,988.66
  6. Step 6: Final answer
    x = 1,124,963.93

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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.