Home / 1,289,094.63-1,779,114.61-779,800.65

Finding the Fourth Proportional to 1,289,094.63, 1,779,114.61 and 779,800.65

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Solution

The fourth proportional to 1,289,094.63, 1,779,114.61 and 779,800.65 is: 1,076,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,094.63 : 1,779,114.61 = 779,800.65 : x
  2. Step 2: Convert to fraction form
    1,289,094.63/1,779,114.61 = 779,800.65/x
  3. Step 3: Cross multiply
    1,289,094.63x = 1,779,114.61 × 779,800.65
  4. Step 4: Simplify right side
    1,289,094.63x = 1,387,354,729,302.50
  5. Step 5: Solve for x
    x = 1,387,354,729,302.50/1,289,094.63
  6. Step 6: Final answer
    x = 1,076,224.12

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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.