Home / 1,018,534.69-1,520,333.63-898,978.69

Finding the Fourth Proportional to 1,018,534.69, 1,520,333.63 and 898,978.69

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Solution

The fourth proportional to 1,018,534.69, 1,520,333.63 and 898,978.69 is: 1,341,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,534.69 : 1,520,333.63 = 898,978.69 : x
  2. Step 2: Convert to fraction form
    1,018,534.69/1,520,333.63 = 898,978.69/x
  3. Step 3: Cross multiply
    1,018,534.69x = 1,520,333.63 × 898,978.69
  4. Step 4: Simplify right side
    1,018,534.69x = 1,366,747,535,060.34
  5. Step 5: Solve for x
    x = 1,366,747,535,060.34/1,018,534.69
  6. Step 6: Final answer
    x = 1,341,876.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.