Home / 1,000,210.40-1,380,325.44-547,501.76

Finding the Fourth Proportional to 1,000,210.40, 1,380,325.44 and 547,501.76

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Solution

The fourth proportional to 1,000,210.40, 1,380,325.44 and 547,501.76 is: 755,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,210.40 : 1,380,325.44 = 547,501.76 : x
  2. Step 2: Convert to fraction form
    1,000,210.40/1,380,325.44 = 547,501.76/x
  3. Step 3: Cross multiply
    1,000,210.40x = 1,380,325.44 × 547,501.76
  4. Step 4: Simplify right side
    1,000,210.40x = 755,730,607,772.77
  5. Step 5: Solve for x
    x = 755,730,607,772.77/1,000,210.40
  6. Step 6: Final answer
    x = 755,571.64

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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.