Home / 1,237,115.52-1,855,148.40-438,598.08

Finding the Fourth Proportional to 1,237,115.52, 1,855,148.40 and 438,598.08

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Solution

The fourth proportional to 1,237,115.52, 1,855,148.40 and 438,598.08 is: 657,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,115.52 : 1,855,148.40 = 438,598.08 : x
  2. Step 2: Convert to fraction form
    1,237,115.52/1,855,148.40 = 438,598.08/x
  3. Step 3: Cross multiply
    1,237,115.52x = 1,855,148.40 × 438,598.08
  4. Step 4: Simplify right side
    1,237,115.52x = 813,664,526,355.07
  5. Step 5: Solve for x
    x = 813,664,526,355.07/1,237,115.52
  6. Step 6: Final answer
    x = 657,711.03

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1.5x scale

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.