Home / 1,444,019.19-1,992,746.95-790,686.61

Finding the Fourth Proportional to 1,444,019.19, 1,992,746.95 and 790,686.61

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Solution

The fourth proportional to 1,444,019.19, 1,992,746.95 and 790,686.61 is: 1,091,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,019.19 : 1,992,746.95 = 790,686.61 : x
  2. Step 2: Convert to fraction form
    1,444,019.19/1,992,746.95 = 790,686.61/x
  3. Step 3: Cross multiply
    1,444,019.19x = 1,992,746.95 × 790,686.61
  4. Step 4: Simplify right side
    1,444,019.19x = 1,575,638,316,566.17
  5. Step 5: Solve for x
    x = 1,575,638,316,566.17/1,444,019.19
  6. Step 6: Final answer
    x = 1,091,147.77

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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.