Home / 1,210,341.44-1,670,256.24-666,465.68

Finding the Fourth Proportional to 1,210,341.44, 1,670,256.24 and 666,465.68

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Solution

The fourth proportional to 1,210,341.44, 1,670,256.24 and 666,465.68 is: 919,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,341.44 : 1,670,256.24 = 666,465.68 : x
  2. Step 2: Convert to fraction form
    1,210,341.44/1,670,256.24 = 666,465.68/x
  3. Step 3: Cross multiply
    1,210,341.44x = 1,670,256.24 × 666,465.68
  4. Step 4: Simplify right side
    1,210,341.44x = 1,113,168,460,765.84
  5. Step 5: Solve for x
    x = 1,113,168,460,765.84/1,210,341.44
  6. Step 6: Final answer
    x = 919,714.41

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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.