Home / 1,571,315.91-2,168,254.36-882,878.37

Finding the Fourth Proportional to 1,571,315.91, 2,168,254.36 and 882,878.37

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Solution

The fourth proportional to 1,571,315.91, 2,168,254.36 and 882,878.37 is: 1,218,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,315.91 : 2,168,254.36 = 882,878.37 : x
  2. Step 2: Convert to fraction form
    1,571,315.91/2,168,254.36 = 882,878.37/x
  3. Step 3: Cross multiply
    1,571,315.91x = 2,168,254.36 × 882,878.37
  4. Step 4: Simplify right side
    1,571,315.91x = 1,914,304,875,102.19
  5. Step 5: Solve for x
    x = 1,914,304,875,102.19/1,571,315.91
  6. Step 6: Final answer
    x = 1,218,281.35

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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.