Home / 1,448,574.12-1,999,017.18-803,999.88

Finding the Fourth Proportional to 1,448,574.12, 1,999,017.18 and 803,999.88

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Solution

The fourth proportional to 1,448,574.12, 1,999,017.18 and 803,999.88 is: 1,109,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,574.12 : 1,999,017.18 = 803,999.88 : x
  2. Step 2: Convert to fraction form
    1,448,574.12/1,999,017.18 = 803,999.88/x
  3. Step 3: Cross multiply
    1,448,574.12x = 1,999,017.18 × 803,999.88
  4. Step 4: Simplify right side
    1,448,574.12x = 1,607,209,572,837.94
  5. Step 5: Solve for x
    x = 1,607,209,572,837.94/1,448,574.12
  6. Step 6: Final answer
    x = 1,109,511.45

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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.