Home / 1,562,427.09-2,155,894.38-909,199.35

Finding the Fourth Proportional to 1,562,427.09, 2,155,894.38 and 909,199.35

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Solution

The fourth proportional to 1,562,427.09, 2,155,894.38 and 909,199.35 is: 1,254,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,427.09 : 2,155,894.38 = 909,199.35 : x
  2. Step 2: Convert to fraction form
    1,562,427.09/2,155,894.38 = 909,199.35/x
  3. Step 3: Cross multiply
    1,562,427.09x = 2,155,894.38 × 909,199.35
  4. Step 4: Simplify right side
    1,562,427.09x = 1,960,137,768,964.65
  5. Step 5: Solve for x
    x = 1,960,137,768,964.65/1,562,427.09
  6. Step 6: Final answer
    x = 1,254,546.71

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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.