Home / 1,289,574-1,931,702.34-755,475.80

Finding the Fourth Proportional to 1,289,574, 1,931,702.34 and 755,475.80

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Solution

The fourth proportional to 1,289,574, 1,931,702.34 and 755,475.80 is: 1,131,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,574 : 1,931,702.34 = 755,475.80 : x
  2. Step 2: Convert to fraction form
    1,289,574/1,931,702.34 = 755,475.80/x
  3. Step 3: Cross multiply
    1,289,574x = 1,931,702.34 × 755,475.80
  4. Step 4: Simplify right side
    1,289,574x = 1,459,354,363,847.89
  5. Step 5: Solve for x
    x = 1,459,354,363,847.89/1,289,574
  6. Step 6: Final answer
    x = 1,131,656.16

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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.