Home / 1,566,012.89-2,160,995.36-921,308.58

Finding the Fourth Proportional to 1,566,012.89, 2,160,995.36 and 921,308.58

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Solution

The fourth proportional to 1,566,012.89, 2,160,995.36 and 921,308.58 is: 1,271,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,012.89 : 2,160,995.36 = 921,308.58 : x
  2. Step 2: Convert to fraction form
    1,566,012.89/2,160,995.36 = 921,308.58/x
  3. Step 3: Cross multiply
    1,566,012.89x = 2,160,995.36 × 921,308.58
  4. Step 4: Simplify right side
    1,566,012.89x = 1,990,943,561,901.65
  5. Step 5: Solve for x
    x = 1,990,943,561,901.65/1,566,012.89
  6. Step 6: Final answer
    x = 1,271,345.58

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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.