Home / 1,260,346.80-1,890,802.20-461,612.40

Finding the Fourth Proportional to 1,260,346.80, 1,890,802.20 and 461,612.40

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Solution

The fourth proportional to 1,260,346.80, 1,890,802.20 and 461,612.40 is: 692,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,346.80 : 1,890,802.20 = 461,612.40 : x
  2. Step 2: Convert to fraction form
    1,260,346.80/1,890,802.20 = 461,612.40/x
  3. Step 3: Cross multiply
    1,260,346.80x = 1,890,802.20 × 461,612.40
  4. Step 4: Simplify right side
    1,260,346.80x = 872,817,741,467.28
  5. Step 5: Solve for x
    x = 872,817,741,467.28/1,260,346.80
  6. Step 6: Final answer
    x = 692,521.88

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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.