Home / 1,007,703.12-1,390,566.51-554,994.12

Finding the Fourth Proportional to 1,007,703.12, 1,390,566.51 and 554,994.12

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Solution

The fourth proportional to 1,007,703.12, 1,390,566.51 and 554,994.12 is: 765,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,703.12 : 1,390,566.51 = 554,994.12 : x
  2. Step 2: Convert to fraction form
    1,007,703.12/1,390,566.51 = 554,994.12/x
  3. Step 3: Cross multiply
    1,007,703.12x = 1,390,566.51 × 554,994.12
  4. Step 4: Simplify right side
    1,007,703.12x = 771,756,236,518.92
  5. Step 5: Solve for x
    x = 771,756,236,518.92/1,007,703.12
  6. Step 6: Final answer
    x = 765,856.75

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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.