Home / 1,303,658.88-1,958,482.24-920,289.28

Finding the Fourth Proportional to 1,303,658.88, 1,958,482.24 and 920,289.28

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Solution

The fourth proportional to 1,303,658.88, 1,958,482.24 and 920,289.28 is: 1,382,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,658.88 : 1,958,482.24 = 920,289.28 : x
  2. Step 2: Convert to fraction form
    1,303,658.88/1,958,482.24 = 920,289.28/x
  3. Step 3: Cross multiply
    1,303,658.88x = 1,958,482.24 × 920,289.28
  4. Step 4: Simplify right side
    1,303,658.88x = 1,802,370,210,542.39
  5. Step 5: Solve for x
    x = 1,802,370,210,542.39/1,303,658.88
  6. Step 6: Final answer
    x = 1,382,547.41

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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.