Home / 989,848.62-1,484,656.29-779,546.70

Finding the Fourth Proportional to 989,848.62, 1,484,656.29 and 779,546.70

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Solution

The fourth proportional to 989,848.62, 1,484,656.29 and 779,546.70 is: 1,169,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,848.62 : 1,484,656.29 = 779,546.70 : x
  2. Step 2: Convert to fraction form
    989,848.62/1,484,656.29 = 779,546.70/x
  3. Step 3: Cross multiply
    989,848.62x = 1,484,656.29 × 779,546.70
  4. Step 4: Simplify right side
    989,848.62x = 1,157,358,911,503.74
  5. Step 5: Solve for x
    x = 1,157,358,911,503.74/989,848.62
  6. Step 6: Final answer
    x = 1,169,228.19

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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.