Home / 1,640,281.60-2,460,422.40-458,329.60

Finding the Fourth Proportional to 1,640,281.60, 2,460,422.40 and 458,329.60

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Solution

The fourth proportional to 1,640,281.60, 2,460,422.40 and 458,329.60 is: 687,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,281.60 : 2,460,422.40 = 458,329.60 : x
  2. Step 2: Convert to fraction form
    1,640,281.60/2,460,422.40 = 458,329.60/x
  3. Step 3: Cross multiply
    1,640,281.60x = 2,460,422.40 × 458,329.60
  4. Step 4: Simplify right side
    1,640,281.60x = 1,127,684,414,423.04
  5. Step 5: Solve for x
    x = 1,127,684,414,423.04/1,640,281.60
  6. Step 6: Final answer
    x = 687,494.40

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1.5x scale

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.