Home / 977,581.90-1,348,809.73-590,091.06

Finding the Fourth Proportional to 977,581.90, 1,348,809.73 and 590,091.06

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Solution

The fourth proportional to 977,581.90, 1,348,809.73 and 590,091.06 is: 814,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,581.90 : 1,348,809.73 = 590,091.06 : x
  2. Step 2: Convert to fraction form
    977,581.90/1,348,809.73 = 590,091.06/x
  3. Step 3: Cross multiply
    977,581.90x = 1,348,809.73 × 590,091.06
  4. Step 4: Simplify right side
    977,581.90x = 795,920,561,838.79
  5. Step 5: Solve for x
    x = 795,920,561,838.79/977,581.90
  6. Step 6: Final answer
    x = 814,172.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.