Home / 1,333,438.36-2,000,279.04-434,649.40

Finding the Fourth Proportional to 1,333,438.36, 2,000,279.04 and 434,649.40

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Solution

The fourth proportional to 1,333,438.36, 2,000,279.04 and 434,649.40 is: 652,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,438.36 : 2,000,279.04 = 434,649.40 : x
  2. Step 2: Convert to fraction form
    1,333,438.36/2,000,279.04 = 434,649.40/x
  3. Step 3: Cross multiply
    1,333,438.36x = 2,000,279.04 × 434,649.40
  4. Step 4: Simplify right side
    1,333,438.36x = 869,420,084,568.58
  5. Step 5: Solve for x
    x = 869,420,084,568.58/1,333,438.36
  6. Step 6: Final answer
    x = 652,013.70

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1.5x scale

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.