Home / 1,007,900.58-1,390,846.23-578,140.50

Finding the Fourth Proportional to 1,007,900.58, 1,390,846.23 and 578,140.50

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Solution

The fourth proportional to 1,007,900.58, 1,390,846.23 and 578,140.50 is: 797,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,900.58 : 1,390,846.23 = 578,140.50 : x
  2. Step 2: Convert to fraction form
    1,007,900.58/1,390,846.23 = 578,140.50/x
  3. Step 3: Cross multiply
    1,007,900.58x = 1,390,846.23 × 578,140.50
  4. Step 4: Simplify right side
    1,007,900.58x = 804,104,534,835.32
  5. Step 5: Solve for x
    x = 804,104,534,835.32/1,007,900.58
  6. Step 6: Final answer
    x = 797,801.44

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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.