Home / 1,048,368.15-1,572,377.06-290,286.25

Finding the Fourth Proportional to 1,048,368.15, 1,572,377.06 and 290,286.25

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Solution

The fourth proportional to 1,048,368.15, 1,572,377.06 and 290,286.25 is: 435,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,368.15 : 1,572,377.06 = 290,286.25 : x
  2. Step 2: Convert to fraction form
    1,048,368.15/1,572,377.06 = 290,286.25/x
  3. Step 3: Cross multiply
    1,048,368.15x = 1,572,377.06 × 290,286.25
  4. Step 4: Simplify right side
    1,048,368.15x = 456,439,437,128.20
  5. Step 5: Solve for x
    x = 456,439,437,128.20/1,048,368.15
  6. Step 6: Final answer
    x = 435,380.87

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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.