Home / 729,045.90-1,018,302.30-729,045.90

Finding the Fourth Proportional to 729,045.90, 1,018,302.30 and 729,045.90

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Solution

The fourth proportional to 729,045.90, 1,018,302.30 and 729,045.90 is: 1,018,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,045.90 : 1,018,302.30 = 729,045.90 : x
  2. Step 2: Convert to fraction form
    729,045.90/1,018,302.30 = 729,045.90/x
  3. Step 3: Cross multiply
    729,045.90x = 1,018,302.30 × 729,045.90
  4. Step 4: Simplify right side
    729,045.90x = 742,389,116,775.57
  5. Step 5: Solve for x
    x = 742,389,116,775.57/729,045.90
  6. Step 6: Final answer
    x = 1,018,302.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.