Home / 1,648,673.20-2,473,009.80-702,139.60

Finding the Fourth Proportional to 1,648,673.20, 2,473,009.80 and 702,139.60

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Solution

The fourth proportional to 1,648,673.20, 2,473,009.80 and 702,139.60 is: 1,053,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,673.20 : 2,473,009.80 = 702,139.60 : x
  2. Step 2: Convert to fraction form
    1,648,673.20/2,473,009.80 = 702,139.60/x
  3. Step 3: Cross multiply
    1,648,673.20x = 2,473,009.80 × 702,139.60
  4. Step 4: Simplify right side
    1,648,673.20x = 1,736,398,111,768.08
  5. Step 5: Solve for x
    x = 1,736,398,111,768.08/1,648,673.20
  6. Step 6: Final answer
    x = 1,053,209.40

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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.