Home / 1,249,643.70-1,874,271.15-350,997.30

Finding the Fourth Proportional to 1,249,643.70, 1,874,271.15 and 350,997.30

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Solution

The fourth proportional to 1,249,643.70, 1,874,271.15 and 350,997.30 is: 526,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,643.70 : 1,874,271.15 = 350,997.30 : x
  2. Step 2: Convert to fraction form
    1,249,643.70/1,874,271.15 = 350,997.30/x
  3. Step 3: Cross multiply
    1,249,643.70x = 1,874,271.15 × 350,997.30
  4. Step 4: Simplify right side
    1,249,643.70x = 657,864,113,117.90
  5. Step 5: Solve for x
    x = 657,864,113,117.90/1,249,643.70
  6. Step 6: Final answer
    x = 526,441.35

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Double scale
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1.5x scale

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.