Home / 1,456,749.08-2,010,322.15-812,209.40

Finding the Fourth Proportional to 1,456,749.08, 2,010,322.15 and 812,209.40

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Solution

The fourth proportional to 1,456,749.08, 2,010,322.15 and 812,209.40 is: 1,120,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,749.08 : 2,010,322.15 = 812,209.40 : x
  2. Step 2: Convert to fraction form
    1,456,749.08/2,010,322.15 = 812,209.40/x
  3. Step 3: Cross multiply
    1,456,749.08x = 2,010,322.15 × 812,209.40
  4. Step 4: Simplify right side
    1,456,749.08x = 1,632,802,537,206.60
  5. Step 5: Solve for x
    x = 1,632,802,537,206.60/1,456,749.08
  6. Step 6: Final answer
    x = 1,120,853.66

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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.