Home / 1,554,135.48-2,143,846.80-1,293,802.20

Finding the Fourth Proportional to 1,554,135.48, 2,143,846.80 and 1,293,802.20

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Solution

The fourth proportional to 1,554,135.48, 2,143,846.80 and 1,293,802.20 is: 1,784,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,135.48 : 2,143,846.80 = 1,293,802.20 : x
  2. Step 2: Convert to fraction form
    1,554,135.48/2,143,846.80 = 1,293,802.20/x
  3. Step 3: Cross multiply
    1,554,135.48x = 2,143,846.80 × 1,293,802.20
  4. Step 4: Simplify right side
    1,554,135.48x = 2,773,713,706,302.96
  5. Step 5: Solve for x
    x = 2,773,713,706,302.96/1,554,135.48
  6. Step 6: Final answer
    x = 1,784,730.96

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1.5x scale

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.