Home / 1,249,649.20-1,874,279.40-351,002.80

Finding the Fourth Proportional to 1,249,649.20, 1,874,279.40 and 351,002.80

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Solution

The fourth proportional to 1,249,649.20, 1,874,279.40 and 351,002.80 is: 526,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,649.20 : 1,874,279.40 = 351,002.80 : x
  2. Step 2: Convert to fraction form
    1,249,649.20/1,874,279.40 = 351,002.80/x
  3. Step 3: Cross multiply
    1,249,649.20x = 1,874,279.40 × 351,002.80
  4. Step 4: Simplify right side
    1,249,649.20x = 657,877,317,382.32
  5. Step 5: Solve for x
    x = 657,877,317,382.32/1,249,649.20
  6. Step 6: Final answer
    x = 526,449.60

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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.