Home / 1,051,623.20-1,577,434.80-874,330.40

Finding the Fourth Proportional to 1,051,623.20, 1,577,434.80 and 874,330.40

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Solution

The fourth proportional to 1,051,623.20, 1,577,434.80 and 874,330.40 is: 1,311,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,623.20 : 1,577,434.80 = 874,330.40 : x
  2. Step 2: Convert to fraction form
    1,051,623.20/1,577,434.80 = 874,330.40/x
  3. Step 3: Cross multiply
    1,051,623.20x = 1,577,434.80 × 874,330.40
  4. Step 4: Simplify right side
    1,051,623.20x = 1,379,199,199,657.92
  5. Step 5: Solve for x
    x = 1,379,199,199,657.92/1,051,623.20
  6. Step 6: Final answer
    x = 1,311,495.60

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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.