Home / 1,038,038.30-1,557,057.45-925,845.20

Finding the Fourth Proportional to 1,038,038.30, 1,557,057.45 and 925,845.20

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Solution

The fourth proportional to 1,038,038.30, 1,557,057.45 and 925,845.20 is: 1,388,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,038.30 : 1,557,057.45 = 925,845.20 : x
  2. Step 2: Convert to fraction form
    1,038,038.30/1,557,057.45 = 925,845.20/x
  3. Step 3: Cross multiply
    1,038,038.30x = 1,557,057.45 × 925,845.20
  4. Step 4: Simplify right side
    1,038,038.30x = 1,441,594,166,206.74
  5. Step 5: Solve for x
    x = 1,441,594,166,206.74/1,038,038.30
  6. Step 6: Final answer
    x = 1,388,767.80

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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.