Home / 1,065,485.40-1,599,135.30-434,851.80

Finding the Fourth Proportional to 1,065,485.40, 1,599,135.30 and 434,851.80

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Solution

The fourth proportional to 1,065,485.40, 1,599,135.30 and 434,851.80 is: 652,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,485.40 : 1,599,135.30 = 434,851.80 : x
  2. Step 2: Convert to fraction form
    1,065,485.40/1,599,135.30 = 434,851.80/x
  3. Step 3: Cross multiply
    1,065,485.40x = 1,599,135.30 × 434,851.80
  4. Step 4: Simplify right side
    1,065,485.40x = 695,386,863,648.54
  5. Step 5: Solve for x
    x = 695,386,863,648.54/1,065,485.40
  6. Step 6: Final answer
    x = 652,647.95

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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.