Home / 1,333,460.60-1,999,987.89-434,900.90

Finding the Fourth Proportional to 1,333,460.60, 1,999,987.89 and 434,900.90

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Solution

The fourth proportional to 1,333,460.60, 1,999,987.89 and 434,900.90 is: 652,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,460.60 : 1,999,987.89 = 434,900.90 : x
  2. Step 2: Convert to fraction form
    1,333,460.60/1,999,987.89 = 434,900.90/x
  3. Step 3: Cross multiply
    1,333,460.60x = 1,999,987.89 × 434,900.90
  4. Step 4: Simplify right side
    1,333,460.60x = 869,796,533,350.10
  5. Step 5: Solve for x
    x = 869,796,533,350.10/1,333,460.60
  6. Step 6: Final answer
    x = 652,285.14

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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.