Home / 1,578,437.12-2,178,835.56-1,034,607.93

Finding the Fourth Proportional to 1,578,437.12, 2,178,835.56 and 1,034,607.93

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Solution

The fourth proportional to 1,578,437.12, 2,178,835.56 and 1,034,607.93 is: 1,428,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,437.12 : 2,178,835.56 = 1,034,607.93 : x
  2. Step 2: Convert to fraction form
    1,578,437.12/2,178,835.56 = 1,034,607.93/x
  3. Step 3: Cross multiply
    1,578,437.12x = 2,178,835.56 × 1,034,607.93
  4. Step 4: Simplify right side
    1,578,437.12x = 2,254,240,548,541.99
  5. Step 5: Solve for x
    x = 2,254,240,548,541.99/1,578,437.12
  6. Step 6: Final answer
    x = 1,428,147.20

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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.