Home / 1,945,412.80-2,918,225.64-808,290

Finding the Fourth Proportional to 1,945,412.80, 2,918,225.64 and 808,290

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Solution

The fourth proportional to 1,945,412.80, 2,918,225.64 and 808,290 is: 1,212,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,412.80 : 2,918,225.64 = 808,290 : x
  2. Step 2: Convert to fraction form
    1,945,412.80/2,918,225.64 = 808,290/x
  3. Step 3: Cross multiply
    1,945,412.80x = 2,918,225.64 × 808,290
  4. Step 4: Simplify right side
    1,945,412.80x = 2,358,772,605,586.69
  5. Step 5: Solve for x
    x = 2,358,772,605,586.69/1,945,412.80
  6. Step 6: Final answer
    x = 1,212,479.22

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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.