Home / 1,009,291.20-1,513,904-410,075.20

Finding the Fourth Proportional to 1,009,291.20, 1,513,904 and 410,075.20

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Solution

The fourth proportional to 1,009,291.20, 1,513,904 and 410,075.20 is: 615,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,291.20 : 1,513,904 = 410,075.20 : x
  2. Step 2: Convert to fraction form
    1,009,291.20/1,513,904 = 410,075.20/x
  3. Step 3: Cross multiply
    1,009,291.20x = 1,513,904 × 410,075.20
  4. Step 4: Simplify right side
    1,009,291.20x = 620,814,485,580.80
  5. Step 5: Solve for x
    x = 620,814,485,580.80/1,009,291.20
  6. Step 6: Final answer
    x = 615,099.47

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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.