Home / 1,313,464.69-1,970,765.99-705,543.65

Finding the Fourth Proportional to 1,313,464.69, 1,970,765.99 and 705,543.65

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Solution

The fourth proportional to 1,313,464.69, 1,970,765.99 and 705,543.65 is: 1,058,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,464.69 : 1,970,765.99 = 705,543.65 : x
  2. Step 2: Convert to fraction form
    1,313,464.69/1,970,765.99 = 705,543.65/x
  3. Step 3: Cross multiply
    1,313,464.69x = 1,970,765.99 × 705,543.65
  4. Step 4: Simplify right side
    1,313,464.69x = 1,390,461,428,117.58
  5. Step 5: Solve for x
    x = 1,390,461,428,117.58/1,313,464.69
  6. Step 6: Final answer
    x = 1,058,621.10

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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.