Home / 1,852,868.40-2,779,302.60-787,945.20

Finding the Fourth Proportional to 1,852,868.40, 2,779,302.60 and 787,945.20

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Solution

The fourth proportional to 1,852,868.40, 2,779,302.60 and 787,945.20 is: 1,181,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,868.40 : 2,779,302.60 = 787,945.20 : x
  2. Step 2: Convert to fraction form
    1,852,868.40/2,779,302.60 = 787,945.20/x
  3. Step 3: Cross multiply
    1,852,868.40x = 2,779,302.60 × 787,945.20
  4. Step 4: Simplify right side
    1,852,868.40x = 2,189,938,143,017.52
  5. Step 5: Solve for x
    x = 2,189,938,143,017.52/1,852,868.40
  6. Step 6: Final answer
    x = 1,181,917.80

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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.