Home / 1,254,000.20-1,881,461.10-506,121.80

Finding the Fourth Proportional to 1,254,000.20, 1,881,461.10 and 506,121.80

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Solution

The fourth proportional to 1,254,000.20, 1,881,461.10 and 506,121.80 is: 759,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,000.20 : 1,881,461.10 = 506,121.80 : x
  2. Step 2: Convert to fraction form
    1,254,000.20/1,881,461.10 = 506,121.80/x
  3. Step 3: Cross multiply
    1,254,000.20x = 1,881,461.10 × 506,121.80
  4. Step 4: Simplify right side
    1,254,000.20x = 952,248,478,561.98
  5. Step 5: Solve for x
    x = 952,248,478,561.98/1,254,000.20
  6. Step 6: Final answer
    x = 759,368.68

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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.