Home / 1,007,547.21-1,390,395.15-548,667.23

Finding the Fourth Proportional to 1,007,547.21, 1,390,395.15 and 548,667.23

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Solution

The fourth proportional to 1,007,547.21, 1,390,395.15 and 548,667.23 is: 757,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,547.21 : 1,390,395.15 = 548,667.23 : x
  2. Step 2: Convert to fraction form
    1,007,547.21/1,390,395.15 = 548,667.23/x
  3. Step 3: Cross multiply
    1,007,547.21x = 1,390,395.15 × 548,667.23
  4. Step 4: Simplify right side
    1,007,547.21x = 762,864,248,603.96
  5. Step 5: Solve for x
    x = 762,864,248,603.96/1,007,547.21
  6. Step 6: Final answer
    x = 757,149.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.