Home / 1,390,426-1,918,787.88-754,522

Finding the Fourth Proportional to 1,390,426, 1,918,787.88 and 754,522

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Solution

The fourth proportional to 1,390,426, 1,918,787.88 and 754,522 is: 1,041,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,426 : 1,918,787.88 = 754,522 : x
  2. Step 2: Convert to fraction form
    1,390,426/1,918,787.88 = 754,522/x
  3. Step 3: Cross multiply
    1,390,426x = 1,918,787.88 × 754,522
  4. Step 4: Simplify right side
    1,390,426x = 1,447,767,668,793.36
  5. Step 5: Solve for x
    x = 1,447,767,668,793.36/1,390,426
  6. Step 6: Final answer
    x = 1,041,240.36

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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.