Home / 1,527,272.64-2,290,907.95-390,035.07

Finding the Fourth Proportional to 1,527,272.64, 2,290,907.95 and 390,035.07

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Solution

The fourth proportional to 1,527,272.64, 2,290,907.95 and 390,035.07 is: 585,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,272.64 : 2,290,907.95 = 390,035.07 : x
  2. Step 2: Convert to fraction form
    1,527,272.64/2,290,907.95 = 390,035.07/x
  3. Step 3: Cross multiply
    1,527,272.64x = 2,290,907.95 × 390,035.07
  4. Step 4: Simplify right side
    1,527,272.64x = 893,534,441,666.72
  5. Step 5: Solve for x
    x = 893,534,441,666.72/1,527,272.64
  6. Step 6: Final answer
    x = 585,052.35

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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.