Home / 1,333,459.60-1,999,986.39-434,899.90

Finding the Fourth Proportional to 1,333,459.60, 1,999,986.39 and 434,899.90

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Solution

The fourth proportional to 1,333,459.60, 1,999,986.39 and 434,899.90 is: 652,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,459.60 : 1,999,986.39 = 434,899.90 : x
  2. Step 2: Convert to fraction form
    1,333,459.60/1,999,986.39 = 434,899.90/x
  3. Step 3: Cross multiply
    1,333,459.60x = 1,999,986.39 × 434,899.90
  4. Step 4: Simplify right side
    1,333,459.60x = 869,793,883,512.34
  5. Step 5: Solve for x
    x = 869,793,883,512.34/1,333,459.60
  6. Step 6: Final answer
    x = 652,283.64

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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.