Home / 975,364.64-1,345,259.04-839,621.60

Finding the Fourth Proportional to 975,364.64, 1,345,259.04 and 839,621.60

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Solution

The fourth proportional to 975,364.64, 1,345,259.04 and 839,621.60 is: 1,158,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,364.64 : 1,345,259.04 = 839,621.60 : x
  2. Step 2: Convert to fraction form
    975,364.64/1,345,259.04 = 839,621.60/x
  3. Step 3: Cross multiply
    975,364.64x = 1,345,259.04 × 839,621.60
  4. Step 4: Simplify right side
    975,364.64x = 1,129,508,547,579.26
  5. Step 5: Solve for x
    x = 1,129,508,547,579.26/975,364.64
  6. Step 6: Final answer
    x = 1,158,037.21

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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.