Home / 1,590,036.48-2,385,030.42-642,735

Finding the Fourth Proportional to 1,590,036.48, 2,385,030.42 and 642,735

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Solution

The fourth proportional to 1,590,036.48, 2,385,030.42 and 642,735 is: 964,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,036.48 : 2,385,030.42 = 642,735 : x
  2. Step 2: Convert to fraction form
    1,590,036.48/2,385,030.42 = 642,735/x
  3. Step 3: Cross multiply
    1,590,036.48x = 2,385,030.42 × 642,735
  4. Step 4: Simplify right side
    1,590,036.48x = 1,532,942,526,998.70
  5. Step 5: Solve for x
    x = 1,532,942,526,998.70/1,590,036.48
  6. Step 6: Final answer
    x = 964,092.68

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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.