Home / 1,357,220.88-1,872,882-745,254.54

Finding the Fourth Proportional to 1,357,220.88, 1,872,882 and 745,254.54

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Solution

The fourth proportional to 1,357,220.88, 1,872,882 and 745,254.54 is: 1,028,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,220.88 : 1,872,882 = 745,254.54 : x
  2. Step 2: Convert to fraction form
    1,357,220.88/1,872,882 = 745,254.54/x
  3. Step 3: Cross multiply
    1,357,220.88x = 1,872,882 × 745,254.54
  4. Step 4: Simplify right side
    1,357,220.88x = 1,395,773,813,384.28
  5. Step 5: Solve for x
    x = 1,395,773,813,384.28/1,357,220.88
  6. Step 6: Final answer
    x = 1,028,405.79

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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.