Home / 1,170,482.40-1,616,630.40-787,903.20

Finding the Fourth Proportional to 1,170,482.40, 1,616,630.40 and 787,903.20

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Solution

The fourth proportional to 1,170,482.40, 1,616,630.40 and 787,903.20 is: 1,088,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,482.40 : 1,616,630.40 = 787,903.20 : x
  2. Step 2: Convert to fraction form
    1,170,482.40/1,616,630.40 = 787,903.20/x
  3. Step 3: Cross multiply
    1,170,482.40x = 1,616,630.40 × 787,903.20
  4. Step 4: Simplify right side
    1,170,482.40x = 1,273,748,265,377.28
  5. Step 5: Solve for x
    x = 1,273,748,265,377.28/1,170,482.40
  6. Step 6: Final answer
    x = 1,088,225.05

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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.