Home / 1,369,448.40-2,054,172.60-838,007.40

Finding the Fourth Proportional to 1,369,448.40, 2,054,172.60 and 838,007.40

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Solution

The fourth proportional to 1,369,448.40, 2,054,172.60 and 838,007.40 is: 1,257,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,448.40 : 2,054,172.60 = 838,007.40 : x
  2. Step 2: Convert to fraction form
    1,369,448.40/2,054,172.60 = 838,007.40/x
  3. Step 3: Cross multiply
    1,369,448.40x = 2,054,172.60 × 838,007.40
  4. Step 4: Simplify right side
    1,369,448.40x = 1,721,411,839,677.24
  5. Step 5: Solve for x
    x = 1,721,411,839,677.24/1,369,448.40
  6. Step 6: Final answer
    x = 1,257,011.10

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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.