Home / 1,572,849.64-2,169,848.10-999,582.76

Finding the Fourth Proportional to 1,572,849.64, 2,169,848.10 and 999,582.76

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Solution

The fourth proportional to 1,572,849.64, 2,169,848.10 and 999,582.76 is: 1,378,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,849.64 : 2,169,848.10 = 999,582.76 : x
  2. Step 2: Convert to fraction form
    1,572,849.64/2,169,848.10 = 999,582.76/x
  3. Step 3: Cross multiply
    1,572,849.64x = 2,169,848.10 × 999,582.76
  4. Step 4: Simplify right side
    1,572,849.64x = 2,168,942,752,578.76
  5. Step 5: Solve for x
    x = 2,168,942,752,578.76/1,572,849.64
  6. Step 6: Final answer
    x = 1,378,989.25

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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.