Home / 1,624,490-2,437,587.48-665,657.36

Finding the Fourth Proportional to 1,624,490, 2,437,587.48 and 665,657.36

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Solution

The fourth proportional to 1,624,490, 2,437,587.48 and 665,657.36 is: 998,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,490 : 2,437,587.48 = 665,657.36 : x
  2. Step 2: Convert to fraction form
    1,624,490/2,437,587.48 = 665,657.36/x
  3. Step 3: Cross multiply
    1,624,490x = 2,437,587.48 × 665,657.36
  4. Step 4: Simplify right side
    1,624,490x = 1,622,598,046,705.85
  5. Step 5: Solve for x
    x = 1,622,598,046,705.85/1,624,490
  6. Step 6: Final answer
    x = 998,835.36

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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.