Home / 1,048,007.70-1,572,011.55-838,055.70

Finding the Fourth Proportional to 1,048,007.70, 1,572,011.55 and 838,055.70

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Solution

The fourth proportional to 1,048,007.70, 1,572,011.55 and 838,055.70 is: 1,257,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,007.70 : 1,572,011.55 = 838,055.70 : x
  2. Step 2: Convert to fraction form
    1,048,007.70/1,572,011.55 = 838,055.70/x
  3. Step 3: Cross multiply
    1,048,007.70x = 1,572,011.55 × 838,055.70
  4. Step 4: Simplify right side
    1,048,007.70x = 1,317,433,239,943.34
  5. Step 5: Solve for x
    x = 1,317,433,239,943.34/1,048,007.70
  6. Step 6: Final answer
    x = 1,257,083.55

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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.