Home / 1,018,887.20-1,528,237.08-344,891.46

Finding the Fourth Proportional to 1,018,887.20, 1,528,237.08 and 344,891.46

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Solution

The fourth proportional to 1,018,887.20, 1,528,237.08 and 344,891.46 is: 517,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,887.20 : 1,528,237.08 = 344,891.46 : x
  2. Step 2: Convert to fraction form
    1,018,887.20/1,528,237.08 = 344,891.46/x
  3. Step 3: Cross multiply
    1,018,887.20x = 1,528,237.08 × 344,891.46
  4. Step 4: Simplify right side
    1,018,887.20x = 527,075,920,150.07
  5. Step 5: Solve for x
    x = 527,075,920,150.07/1,018,887.20
  6. Step 6: Final answer
    x = 517,305.47

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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.