Home / 1,215,547.04-1,823,391.90-457,395.08

Finding the Fourth Proportional to 1,215,547.04, 1,823,391.90 and 457,395.08

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Solution

The fourth proportional to 1,215,547.04, 1,823,391.90 and 457,395.08 is: 686,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,547.04 : 1,823,391.90 = 457,395.08 : x
  2. Step 2: Convert to fraction form
    1,215,547.04/1,823,391.90 = 457,395.08/x
  3. Step 3: Cross multiply
    1,215,547.04x = 1,823,391.90 × 457,395.08
  4. Step 4: Simplify right side
    1,215,547.04x = 834,010,474,854.89
  5. Step 5: Solve for x
    x = 834,010,474,854.89/1,215,547.04
  6. Step 6: Final answer
    x = 686,119.46

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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.