Home / 783,001.70-1,174,502.55-668,840.30

Finding the Fourth Proportional to 783,001.70, 1,174,502.55 and 668,840.30

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Solution

The fourth proportional to 783,001.70, 1,174,502.55 and 668,840.30 is: 1,003,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,001.70 : 1,174,502.55 = 668,840.30 : x
  2. Step 2: Convert to fraction form
    783,001.70/1,174,502.55 = 668,840.30/x
  3. Step 3: Cross multiply
    783,001.70x = 1,174,502.55 × 668,840.30
  4. Step 4: Simplify right side
    783,001.70x = 785,554,637,892.77
  5. Step 5: Solve for x
    x = 785,554,637,892.77/783,001.70
  6. Step 6: Final answer
    x = 1,003,260.45

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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.