Home / 1,249,161.40-1,873,281.30-407,740.60

Finding the Fourth Proportional to 1,249,161.40, 1,873,281.30 and 407,740.60

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Solution

The fourth proportional to 1,249,161.40, 1,873,281.30 and 407,740.60 is: 611,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,161.40 : 1,873,281.30 = 407,740.60 : x
  2. Step 2: Convert to fraction form
    1,249,161.40/1,873,281.30 = 407,740.60/x
  3. Step 3: Cross multiply
    1,249,161.40x = 1,873,281.30 × 407,740.60
  4. Step 4: Simplify right side
    1,249,161.40x = 763,812,841,230.78
  5. Step 5: Solve for x
    x = 763,812,841,230.78/1,249,161.40
  6. Step 6: Final answer
    x = 611,460.49

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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.