Home / 1,249,886.70-1,724,835.06-676,913.76

Finding the Fourth Proportional to 1,249,886.70, 1,724,835.06 and 676,913.76

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Solution

The fourth proportional to 1,249,886.70, 1,724,835.06 and 676,913.76 is: 934,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,886.70 : 1,724,835.06 = 676,913.76 : x
  2. Step 2: Convert to fraction form
    1,249,886.70/1,724,835.06 = 676,913.76/x
  3. Step 3: Cross multiply
    1,249,886.70x = 1,724,835.06 × 676,913.76
  4. Step 4: Simplify right side
    1,249,886.70x = 1,167,564,585,844.43
  5. Step 5: Solve for x
    x = 1,167,564,585,844.43/1,249,886.70
  6. Step 6: Final answer
    x = 934,136.34

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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.