Home / 1,565,967.67-2,160,933.06-921,263.32

Finding the Fourth Proportional to 1,565,967.67, 2,160,933.06 and 921,263.32

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Solution

The fourth proportional to 1,565,967.67, 2,160,933.06 and 921,263.32 is: 1,271,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,967.67 : 2,160,933.06 = 921,263.32 : x
  2. Step 2: Convert to fraction form
    1,565,967.67/2,160,933.06 = 921,263.32/x
  3. Step 3: Cross multiply
    1,565,967.67x = 2,160,933.06 × 921,263.32
  4. Step 4: Simplify right side
    1,565,967.67x = 1,990,788,365,153.36
  5. Step 5: Solve for x
    x = 1,990,788,365,153.36/1,565,967.67
  6. Step 6: Final answer
    x = 1,271,283.18

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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.