Home / 1,112,929.32-1,671,754.38-1,048,142.28

Finding the Fourth Proportional to 1,112,929.32, 1,671,754.38 and 1,048,142.28

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Solution

The fourth proportional to 1,112,929.32, 1,671,754.38 and 1,048,142.28 is: 1,574,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,929.32 : 1,671,754.38 = 1,048,142.28 : x
  2. Step 2: Convert to fraction form
    1,112,929.32/1,671,754.38 = 1,048,142.28/x
  3. Step 3: Cross multiply
    1,112,929.32x = 1,671,754.38 × 1,048,142.28
  4. Step 4: Simplify right side
    1,112,929.32x = 1,752,236,447,453.19
  5. Step 5: Solve for x
    x = 1,752,236,447,453.19/1,112,929.32
  6. Step 6: Final answer
    x = 1,574,436.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.