Home / 1,126,398.02-1,688,915.66-442,466.06

Finding the Fourth Proportional to 1,126,398.02, 1,688,915.66 and 442,466.06

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Solution

The fourth proportional to 1,126,398.02, 1,688,915.66 and 442,466.06 is: 663,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,398.02 : 1,688,915.66 = 442,466.06 : x
  2. Step 2: Convert to fraction form
    1,126,398.02/1,688,915.66 = 442,466.06/x
  3. Step 3: Cross multiply
    1,126,398.02x = 1,688,915.66 × 442,466.06
  4. Step 4: Simplify right side
    1,126,398.02x = 747,287,847,095.59
  5. Step 5: Solve for x
    x = 747,287,847,095.59/1,126,398.02
  6. Step 6: Final answer
    x = 663,431.43

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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.