Home / 1,292,563.60-1,938,931.80-439,622.80

Finding the Fourth Proportional to 1,292,563.60, 1,938,931.80 and 439,622.80

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Solution

The fourth proportional to 1,292,563.60, 1,938,931.80 and 439,622.80 is: 659,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,563.60 : 1,938,931.80 = 439,622.80 : x
  2. Step 2: Convert to fraction form
    1,292,563.60/1,938,931.80 = 439,622.80/x
  3. Step 3: Cross multiply
    1,292,563.60x = 1,938,931.80 × 439,622.80
  4. Step 4: Simplify right side
    1,292,563.60x = 852,398,626,925.04
  5. Step 5: Solve for x
    x = 852,398,626,925.04/1,292,563.60
  6. Step 6: Final answer
    x = 659,463.59

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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.