Home / 1,646,597.40-2,272,409.82-921,528.60

Finding the Fourth Proportional to 1,646,597.40, 2,272,409.82 and 921,528.60

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Solution

The fourth proportional to 1,646,597.40, 2,272,409.82 and 921,528.60 is: 1,271,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,597.40 : 2,272,409.82 = 921,528.60 : x
  2. Step 2: Convert to fraction form
    1,646,597.40/2,272,409.82 = 921,528.60/x
  3. Step 3: Cross multiply
    1,646,597.40x = 2,272,409.82 × 921,528.60
  4. Step 4: Simplify right side
    1,646,597.40x = 2,094,090,640,050.85
  5. Step 5: Solve for x
    x = 2,094,090,640,050.85/1,646,597.40
  6. Step 6: Final answer
    x = 1,271,768.46

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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.