Home / 1,357,480.32-1,873,271.52-753,907.20

Finding the Fourth Proportional to 1,357,480.32, 1,873,271.52 and 753,907.20

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Solution

The fourth proportional to 1,357,480.32, 1,873,271.52 and 753,907.20 is: 1,040,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,480.32 : 1,873,271.52 = 753,907.20 : x
  2. Step 2: Convert to fraction form
    1,357,480.32/1,873,271.52 = 753,907.20/x
  3. Step 3: Cross multiply
    1,357,480.32x = 1,873,271.52 × 753,907.20
  4. Step 4: Simplify right side
    1,357,480.32x = 1,412,272,886,482.94
  5. Step 5: Solve for x
    x = 1,412,272,886,482.94/1,357,480.32
  6. Step 6: Final answer
    x = 1,040,363.43

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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.