Home / 1,300,077.20-1,950,115.80-874,924.40

Finding the Fourth Proportional to 1,300,077.20, 1,950,115.80 and 874,924.40

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Solution

The fourth proportional to 1,300,077.20, 1,950,115.80 and 874,924.40 is: 1,312,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,077.20 : 1,950,115.80 = 874,924.40 : x
  2. Step 2: Convert to fraction form
    1,300,077.20/1,950,115.80 = 874,924.40/x
  3. Step 3: Cross multiply
    1,300,077.20x = 1,950,115.80 × 874,924.40
  4. Step 4: Simplify right side
    1,300,077.20x = 1,706,203,896,245.52
  5. Step 5: Solve for x
    x = 1,706,203,896,245.52/1,300,077.20
  6. Step 6: Final answer
    x = 1,312,386.60

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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.