Home / 1,406,782.60-2,111,729.10-874,904.20

Finding the Fourth Proportional to 1,406,782.60, 2,111,729.10 and 874,904.20

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Solution

The fourth proportional to 1,406,782.60, 2,111,729.10 and 874,904.20 is: 1,313,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,782.60 : 2,111,729.10 = 874,904.20 : x
  2. Step 2: Convert to fraction form
    1,406,782.60/2,111,729.10 = 874,904.20/x
  3. Step 3: Cross multiply
    1,406,782.60x = 2,111,729.10 × 874,904.20
  4. Step 4: Simplify right side
    1,406,782.60x = 1,847,560,658,852.22
  5. Step 5: Solve for x
    x = 1,847,560,658,852.22/1,406,782.60
  6. Step 6: Final answer
    x = 1,313,323.51

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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.