Home / 1,117,199.79-1,675,799.69-668,050.13

Finding the Fourth Proportional to 1,117,199.79, 1,675,799.69 and 668,050.13

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Solution

The fourth proportional to 1,117,199.79, 1,675,799.69 and 668,050.13 is: 1,002,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,199.79 : 1,675,799.69 = 668,050.13 : x
  2. Step 2: Convert to fraction form
    1,117,199.79/1,675,799.69 = 668,050.13/x
  3. Step 3: Cross multiply
    1,117,199.79x = 1,675,799.69 × 668,050.13
  4. Step 4: Simplify right side
    1,117,199.79x = 1,119,518,201,607.71
  5. Step 5: Solve for x
    x = 1,119,518,201,607.71/1,117,199.79
  6. Step 6: Final answer
    x = 1,002,075.20

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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.