Home / 1,071,339.77-1,607,531.90-440,443.13

Finding the Fourth Proportional to 1,071,339.77, 1,607,531.90 and 440,443.13

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Solution

The fourth proportional to 1,071,339.77, 1,607,531.90 and 440,443.13 is: 660,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,339.77 : 1,607,531.90 = 440,443.13 : x
  2. Step 2: Convert to fraction form
    1,071,339.77/1,607,531.90 = 440,443.13/x
  3. Step 3: Cross multiply
    1,071,339.77x = 1,607,531.90 × 440,443.13
  4. Step 4: Simplify right side
    1,071,339.77x = 708,026,379,408.63
  5. Step 5: Solve for x
    x = 708,026,379,408.63/1,071,339.77
  6. Step 6: Final answer
    x = 660,879.40

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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.