Home / 1,106,417.80-1,655,690.10-767,870.20

Finding the Fourth Proportional to 1,106,417.80, 1,655,690.10 and 767,870.20

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Solution

The fourth proportional to 1,106,417.80, 1,655,690.10 and 767,870.20 is: 1,149,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,417.80 : 1,655,690.10 = 767,870.20 : x
  2. Step 2: Convert to fraction form
    1,106,417.80/1,655,690.10 = 767,870.20/x
  3. Step 3: Cross multiply
    1,106,417.80x = 1,655,690.10 × 767,870.20
  4. Step 4: Simplify right side
    1,106,417.80x = 1,271,355,088,225.02
  5. Step 5: Solve for x
    x = 1,271,355,088,225.02/1,106,417.80
  6. Step 6: Final answer
    x = 1,149,073.24

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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.