Home / 1,358,396.20-2,038,434.56-790,044.04

Finding the Fourth Proportional to 1,358,396.20, 2,038,434.56 and 790,044.04

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Solution

The fourth proportional to 1,358,396.20, 2,038,434.56 and 790,044.04 is: 1,185,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,396.20 : 2,038,434.56 = 790,044.04 : x
  2. Step 2: Convert to fraction form
    1,358,396.20/2,038,434.56 = 790,044.04/x
  3. Step 3: Cross multiply
    1,358,396.20x = 2,038,434.56 × 790,044.04
  4. Step 4: Simplify right side
    1,358,396.20x = 1,610,453,075,058.02
  5. Step 5: Solve for x
    x = 1,610,453,075,058.02/1,358,396.20
  6. Step 6: Final answer
    x = 1,185,554.76

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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.