Home / 1,155,643.80-1,733,465.70-777,730.20

Finding the Fourth Proportional to 1,155,643.80, 1,733,465.70 and 777,730.20

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Solution

The fourth proportional to 1,155,643.80, 1,733,465.70 and 777,730.20 is: 1,166,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,643.80 : 1,733,465.70 = 777,730.20 : x
  2. Step 2: Convert to fraction form
    1,155,643.80/1,733,465.70 = 777,730.20/x
  3. Step 3: Cross multiply
    1,155,643.80x = 1,733,465.70 × 777,730.20
  4. Step 4: Simplify right side
    1,155,643.80x = 1,348,168,625,554.14
  5. Step 5: Solve for x
    x = 1,348,168,625,554.14/1,155,643.80
  6. Step 6: Final answer
    x = 1,166,595.30

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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.