Home / 1,018,988.46-1,528,362-345,068.46

Finding the Fourth Proportional to 1,018,988.46, 1,528,362 and 345,068.46

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Solution

The fourth proportional to 1,018,988.46, 1,528,362 and 345,068.46 is: 517,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,988.46 : 1,528,362 = 345,068.46 : x
  2. Step 2: Convert to fraction form
    1,018,988.46/1,528,362 = 345,068.46/x
  3. Step 3: Cross multiply
    1,018,988.46x = 1,528,362 × 345,068.46
  4. Step 4: Simplify right side
    1,018,988.46x = 527,389,521,662.52
  5. Step 5: Solve for x
    x = 527,389,521,662.52/1,018,988.46
  6. Step 6: Final answer
    x = 517,561.82

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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.