Home / 1,118,478.68-1,677,482.32-360,389.16

Finding the Fourth Proportional to 1,118,478.68, 1,677,482.32 and 360,389.16

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Solution

The fourth proportional to 1,118,478.68, 1,677,482.32 and 360,389.16 is: 540,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,478.68 : 1,677,482.32 = 360,389.16 : x
  2. Step 2: Convert to fraction form
    1,118,478.68/1,677,482.32 = 360,389.16/x
  3. Step 3: Cross multiply
    1,118,478.68x = 1,677,482.32 × 360,389.16
  4. Step 4: Simplify right side
    1,118,478.68x = 604,546,444,219.65
  5. Step 5: Solve for x
    x = 604,546,444,219.65/1,118,478.68
  6. Step 6: Final answer
    x = 540,507.79

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1.5x scale

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.