Home / 1,308,501.90-1,962,750.40-410,012.46

Finding the Fourth Proportional to 1,308,501.90, 1,962,750.40 and 410,012.46

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Solution

The fourth proportional to 1,308,501.90, 1,962,750.40 and 410,012.46 is: 615,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,501.90 : 1,962,750.40 = 410,012.46 : x
  2. Step 2: Convert to fraction form
    1,308,501.90/1,962,750.40 = 410,012.46/x
  3. Step 3: Cross multiply
    1,308,501.90x = 1,962,750.40 × 410,012.46
  4. Step 4: Simplify right side
    1,308,501.90x = 804,752,119,869.98
  5. Step 5: Solve for x
    x = 804,752,119,869.98/1,308,501.90
  6. Step 6: Final answer
    x = 615,017.92

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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.