Home / 1,065,464.40-1,599,103.80-434,830.80

Finding the Fourth Proportional to 1,065,464.40, 1,599,103.80 and 434,830.80

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Solution

The fourth proportional to 1,065,464.40, 1,599,103.80 and 434,830.80 is: 652,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,464.40 : 1,599,103.80 = 434,830.80 : x
  2. Step 2: Convert to fraction form
    1,065,464.40/1,599,103.80 = 434,830.80/x
  3. Step 3: Cross multiply
    1,065,464.40x = 1,599,103.80 × 434,830.80
  4. Step 4: Simplify right side
    1,065,464.40x = 695,339,584,637.04
  5. Step 5: Solve for x
    x = 695,339,584,637.04/1,065,464.40
  6. Step 6: Final answer
    x = 652,616.44

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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.