Home / 1,249,961.42-1,875,030.42-618,705.74

Finding the Fourth Proportional to 1,249,961.42, 1,875,030.42 and 618,705.74

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Solution

The fourth proportional to 1,249,961.42, 1,875,030.42 and 618,705.74 is: 928,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,961.42 : 1,875,030.42 = 618,705.74 : x
  2. Step 2: Convert to fraction form
    1,249,961.42/1,875,030.42 = 618,705.74/x
  3. Step 3: Cross multiply
    1,249,961.42x = 1,875,030.42 × 618,705.74
  4. Step 4: Simplify right side
    1,249,961.42x = 1,160,092,083,528.61
  5. Step 5: Solve for x
    x = 1,160,092,083,528.61/1,249,961.42
  6. Step 6: Final answer
    x = 928,102.31

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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.