Home / 1,054,407.78-1,455,080.10-570,972.93

Finding the Fourth Proportional to 1,054,407.78, 1,455,080.10 and 570,972.93

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Solution

The fourth proportional to 1,054,407.78, 1,455,080.10 and 570,972.93 is: 787,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,407.78 : 1,455,080.10 = 570,972.93 : x
  2. Step 2: Convert to fraction form
    1,054,407.78/1,455,080.10 = 570,972.93/x
  3. Step 3: Cross multiply
    1,054,407.78x = 1,455,080.10 × 570,972.93
  4. Step 4: Simplify right side
    1,054,407.78x = 830,811,348,081.69
  5. Step 5: Solve for x
    x = 830,811,348,081.69/1,054,407.78
  6. Step 6: Final answer
    x = 787,941.22

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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.