Home / 1,210,488.48-1,670,397.12-727,074

Finding the Fourth Proportional to 1,210,488.48, 1,670,397.12 and 727,074

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Solution

The fourth proportional to 1,210,488.48, 1,670,397.12 and 727,074 is: 1,003,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,488.48 : 1,670,397.12 = 727,074 : x
  2. Step 2: Convert to fraction form
    1,210,488.48/1,670,397.12 = 727,074/x
  3. Step 3: Cross multiply
    1,210,488.48x = 1,670,397.12 × 727,074
  4. Step 4: Simplify right side
    1,210,488.48x = 1,214,502,315,626.88
  5. Step 5: Solve for x
    x = 1,214,502,315,626.88/1,210,488.48
  6. Step 6: Final answer
    x = 1,003,315.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.