Home / 1,249,938.92-1,874,996.68-618,683.24

Finding the Fourth Proportional to 1,249,938.92, 1,874,996.68 and 618,683.24

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Solution

The fourth proportional to 1,249,938.92, 1,874,996.68 and 618,683.24 is: 928,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,938.92 : 1,874,996.68 = 618,683.24 : x
  2. Step 2: Convert to fraction form
    1,249,938.92/1,874,996.68 = 618,683.24/x
  3. Step 3: Cross multiply
    1,249,938.92x = 1,874,996.68 × 618,683.24
  4. Step 4: Simplify right side
    1,249,938.92x = 1,160,029,020,971.64
  5. Step 5: Solve for x
    x = 1,160,029,020,971.64/1,249,938.92
  6. Step 6: Final answer
    x = 928,068.57

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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.