Home / 1,333,283.63-1,999,949.13-434,721.87

Finding the Fourth Proportional to 1,333,283.63, 1,999,949.13 and 434,721.87

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Solution

The fourth proportional to 1,333,283.63, 1,999,949.13 and 434,721.87 is: 652,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,283.63 : 1,999,949.13 = 434,721.87 : x
  2. Step 2: Convert to fraction form
    1,333,283.63/1,999,949.13 = 434,721.87/x
  3. Step 3: Cross multiply
    1,333,283.63x = 1,999,949.13 × 434,721.87
  4. Step 4: Simplify right side
    1,333,283.63x = 869,421,625,698.47
  5. Step 5: Solve for x
    x = 869,421,625,698.47/1,333,283.63
  6. Step 6: Final answer
    x = 652,090.53

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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.