Home / 1,249,325.46-1,873,987.56-407,877.21

Finding the Fourth Proportional to 1,249,325.46, 1,873,987.56 and 407,877.21

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Solution

The fourth proportional to 1,249,325.46, 1,873,987.56 and 407,877.21 is: 611,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,325.46 : 1,873,987.56 = 407,877.21 : x
  2. Step 2: Convert to fraction form
    1,249,325.46/1,873,987.56 = 407,877.21/x
  3. Step 3: Cross multiply
    1,249,325.46x = 1,873,987.56 × 407,877.21
  4. Step 4: Simplify right side
    1,249,325.46x = 764,356,817,547.51
  5. Step 5: Solve for x
    x = 764,356,817,547.51/1,249,325.46
  6. Step 6: Final answer
    x = 611,815.61

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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.