Home / 1,007,994.81-1,391,032.23-555,285.81

Finding the Fourth Proportional to 1,007,994.81, 1,391,032.23 and 555,285.81

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Solution

The fourth proportional to 1,007,994.81, 1,391,032.23 and 555,285.81 is: 766,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,994.81 : 1,391,032.23 = 555,285.81 : x
  2. Step 2: Convert to fraction form
    1,007,994.81/1,391,032.23 = 555,285.81/x
  3. Step 3: Cross multiply
    1,007,994.81x = 1,391,032.23 × 555,285.81
  4. Step 4: Simplify right side
    1,007,994.81x = 772,420,461,705.71
  5. Step 5: Solve for x
    x = 772,420,461,705.71/1,007,994.81
  6. Step 6: Final answer
    x = 766,294.08

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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.