Home / 1,125,126.40-1,552,671.84-615,824.32

Finding the Fourth Proportional to 1,125,126.40, 1,552,671.84 and 615,824.32

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Solution

The fourth proportional to 1,125,126.40, 1,552,671.84 and 615,824.32 is: 849,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,126.40 : 1,552,671.84 = 615,824.32 : x
  2. Step 2: Convert to fraction form
    1,125,126.40/1,552,671.84 = 615,824.32/x
  3. Step 3: Cross multiply
    1,125,126.40x = 1,552,671.84 × 615,824.32
  4. Step 4: Simplify right side
    1,125,126.40x = 956,173,080,051.15
  5. Step 5: Solve for x
    x = 956,173,080,051.15/1,125,126.40
  6. Step 6: Final answer
    x = 849,836.14

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1.5x scale

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.