Home / 1,625,345.73-2,242,993.59-980,641.35

Finding the Fourth Proportional to 1,625,345.73, 2,242,993.59 and 980,641.35

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Solution

The fourth proportional to 1,625,345.73, 2,242,993.59 and 980,641.35 is: 1,353,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,345.73 : 2,242,993.59 = 980,641.35 : x
  2. Step 2: Convert to fraction form
    1,625,345.73/2,242,993.59 = 980,641.35/x
  3. Step 3: Cross multiply
    1,625,345.73x = 2,242,993.59 × 980,641.35
  4. Step 4: Simplify right side
    1,625,345.73x = 2,199,572,262,138.95
  5. Step 5: Solve for x
    x = 2,199,572,262,138.95/1,625,345.73
  6. Step 6: Final answer
    x = 1,353,295.01

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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.