Home / 1,345,677.16-2,018,905.35-399,070.66

Finding the Fourth Proportional to 1,345,677.16, 2,018,905.35 and 399,070.66

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Solution

The fourth proportional to 1,345,677.16, 2,018,905.35 and 399,070.66 is: 598,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,677.16 : 2,018,905.35 = 399,070.66 : x
  2. Step 2: Convert to fraction form
    1,345,677.16/2,018,905.35 = 399,070.66/x
  3. Step 3: Cross multiply
    1,345,677.16x = 2,018,905.35 × 399,070.66
  4. Step 4: Simplify right side
    1,345,677.16x = 805,685,890,502.03
  5. Step 5: Solve for x
    x = 805,685,890,502.03/1,345,677.16
  6. Step 6: Final answer
    x = 598,721.53

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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.