Home / 1,434,925.60-1,980,210.72-790,348.16

Finding the Fourth Proportional to 1,434,925.60, 1,980,210.72 and 790,348.16

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Solution

The fourth proportional to 1,434,925.60, 1,980,210.72 and 790,348.16 is: 1,090,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,925.60 : 1,980,210.72 = 790,348.16 : x
  2. Step 2: Convert to fraction form
    1,434,925.60/1,980,210.72 = 790,348.16/x
  3. Step 3: Cross multiply
    1,434,925.60x = 1,980,210.72 × 790,348.16
  4. Step 4: Simplify right side
    1,434,925.60x = 1,565,055,898,964.28
  5. Step 5: Solve for x
    x = 1,565,055,898,964.28/1,434,925.60
  6. Step 6: Final answer
    x = 1,090,687.84

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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.