Home / 1,345,942.63-2,019,115.59-434,820.66

Finding the Fourth Proportional to 1,345,942.63, 2,019,115.59 and 434,820.66

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Solution

The fourth proportional to 1,345,942.63, 2,019,115.59 and 434,820.66 is: 652,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,942.63 : 2,019,115.59 = 434,820.66 : x
  2. Step 2: Convert to fraction form
    1,345,942.63/2,019,115.59 = 434,820.66/x
  3. Step 3: Cross multiply
    1,345,942.63x = 2,019,115.59 × 434,820.66
  4. Step 4: Simplify right side
    1,345,942.63x = 877,953,173,460.09
  5. Step 5: Solve for x
    x = 877,953,173,460.09/1,345,942.63
  6. Step 6: Final answer
    x = 652,296.13

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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.