Home / 1,377,354.58-2,066,068.84-430,725.30

Finding the Fourth Proportional to 1,377,354.58, 2,066,068.84 and 430,725.30

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Solution

The fourth proportional to 1,377,354.58, 2,066,068.84 and 430,725.30 is: 646,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,354.58 : 2,066,068.84 = 430,725.30 : x
  2. Step 2: Convert to fraction form
    1,377,354.58/2,066,068.84 = 430,725.30/x
  3. Step 3: Cross multiply
    1,377,354.58x = 2,066,068.84 × 430,725.30
  4. Step 4: Simplify right side
    1,377,354.58x = 889,908,120,929.65
  5. Step 5: Solve for x
    x = 889,908,120,929.65/1,377,354.58
  6. Step 6: Final answer
    x = 646,099.51

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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.