Home / 1,276,525.04-1,915,115.64-477,818

Finding the Fourth Proportional to 1,276,525.04, 1,915,115.64 and 477,818

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Solution

The fourth proportional to 1,276,525.04, 1,915,115.64 and 477,818 is: 716,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,525.04 : 1,915,115.64 = 477,818 : x
  2. Step 2: Convert to fraction form
    1,276,525.04/1,915,115.64 = 477,818/x
  3. Step 3: Cross multiply
    1,276,525.04x = 1,915,115.64 × 477,818
  4. Step 4: Simplify right side
    1,276,525.04x = 915,076,724,873.52
  5. Step 5: Solve for x
    x = 915,076,724,873.52/1,276,525.04
  6. Step 6: Final answer
    x = 716,849.80

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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.