Home / 1,417,786.40-2,120,214.88-1,058,210.88

Finding the Fourth Proportional to 1,417,786.40, 2,120,214.88 and 1,058,210.88

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Solution

The fourth proportional to 1,417,786.40, 2,120,214.88 and 1,058,210.88 is: 1,582,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,786.40 : 2,120,214.88 = 1,058,210.88 : x
  2. Step 2: Convert to fraction form
    1,417,786.40/2,120,214.88 = 1,058,210.88/x
  3. Step 3: Cross multiply
    1,417,786.40x = 2,120,214.88 × 1,058,210.88
  4. Step 4: Simplify right side
    1,417,786.40x = 2,243,634,453,953.89
  5. Step 5: Solve for x
    x = 2,243,634,453,953.89/1,417,786.40
  6. Step 6: Final answer
    x = 1,582,491.17

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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.