Home / 1,580,724.32-2,369,894-515,130.08

Finding the Fourth Proportional to 1,580,724.32, 2,369,894 and 515,130.08

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Solution

The fourth proportional to 1,580,724.32, 2,369,894 and 515,130.08 is: 772,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,724.32 : 2,369,894 = 515,130.08 : x
  2. Step 2: Convert to fraction form
    1,580,724.32/2,369,894 = 515,130.08/x
  3. Step 3: Cross multiply
    1,580,724.32x = 2,369,894 × 515,130.08
  4. Step 4: Simplify right side
    1,580,724.32x = 1,220,803,685,811.52
  5. Step 5: Solve for x
    x = 1,220,803,685,811.52/1,580,724.32
  6. Step 6: Final answer
    x = 772,306.51

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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.