Home / 1,335,411.40-1,842,865.11-723,580.69

Finding the Fourth Proportional to 1,335,411.40, 1,842,865.11 and 723,580.69

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Solution

The fourth proportional to 1,335,411.40, 1,842,865.11 and 723,580.69 is: 998,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,411.40 : 1,842,865.11 = 723,580.69 : x
  2. Step 2: Convert to fraction form
    1,335,411.40/1,842,865.11 = 723,580.69/x
  3. Step 3: Cross multiply
    1,335,411.40x = 1,842,865.11 × 723,580.69
  4. Step 4: Simplify right side
    1,335,411.40x = 1,333,461,607,870.73
  5. Step 5: Solve for x
    x = 1,333,461,607,870.73/1,335,411.40
  6. Step 6: Final answer
    x = 998,539.93

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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.