Home / 839,812.70-1,262,829.45-702,955.10

Finding the Fourth Proportional to 839,812.70, 1,262,829.45 and 702,955.10

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Solution

The fourth proportional to 839,812.70, 1,262,829.45 and 702,955.10 is: 1,057,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,812.70 : 1,262,829.45 = 702,955.10 : x
  2. Step 2: Convert to fraction form
    839,812.70/1,262,829.45 = 702,955.10/x
  3. Step 3: Cross multiply
    839,812.70x = 1,262,829.45 × 702,955.10
  4. Step 4: Simplify right side
    839,812.70x = 887,712,402,307.70
  5. Step 5: Solve for x
    x = 887,712,402,307.70/839,812.70
  6. Step 6: Final answer
    x = 1,057,036.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.