Home / 1,333,909.02-1,999,637.45-480,771.87

Finding the Fourth Proportional to 1,333,909.02, 1,999,637.45 and 480,771.87

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Solution

The fourth proportional to 1,333,909.02, 1,999,637.45 and 480,771.87 is: 720,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,909.02 : 1,999,637.45 = 480,771.87 : x
  2. Step 2: Convert to fraction form
    1,333,909.02/1,999,637.45 = 480,771.87/x
  3. Step 3: Cross multiply
    1,333,909.02x = 1,999,637.45 × 480,771.87
  4. Step 4: Simplify right side
    1,333,909.02x = 961,369,428,058.93
  5. Step 5: Solve for x
    x = 961,369,428,058.93/1,333,909.02
  6. Step 6: Final answer
    x = 720,715.89

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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.