Home / 1,292,745.63-1,939,045.55-572,880.00

Finding the Fourth Proportional to 1,292,745.63, 1,939,045.55 and 572,880.00

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Solution

The fourth proportional to 1,292,745.63, 1,939,045.55 and 572,880.00 is: 859,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,745.63 : 1,939,045.55 = 572,880.00 : x
  2. Step 2: Convert to fraction form
    1,292,745.63/1,939,045.55 = 572,880.00/x
  3. Step 3: Cross multiply
    1,292,745.63x = 1,939,045.55 × 572,880.00
  4. Step 4: Simplify right side
    1,292,745.63x = 1,110,840,422,313.47
  5. Step 5: Solve for x
    x = 1,110,840,422,313.47/1,292,745.63
  6. Step 6: Final answer
    x = 859,287.70

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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.